19978557012

素因数分解:

$2^2\times 3^6\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{863}}^1$

素因数の和:1369

約数の個数: 168

約数和(自身を含む): 55686548736

約数和(自身を除く): 35707991724

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 467, 486, 612, 729, 863, 918, 934, 972, 1377, 1401, 1458, 1726, 1836, 1868, 2589, 2754, 2802, 2916, 3452, 4131, 4203, 5178, 5508, 5604, 7767, 7939, 8262, 8406, 10356, 12393, 12609, 14671, 15534, 15878, 16524, 16812, 23301, 23817, 24786, 25218, 29342, 31068, 31756, 37827, 44013, 46602, 47634, 49572, 50436, 58684, 69903, 71451, 75654, 88026, 93204, 95268, 113481, 132039, 139806, 142902, 151308, 176052, 209709, 214353, 226962, 264078, 279612, 285804, 340443, 396117, 403021, 419418, 428706, 453924, 528156, 629127, 643059, 680886, 792234, 806042, 838836, 857412, 1188351, 1209063, 1258254, 1286118, 1361772, 1584468, 1612084, 1929177, 2376702, 2418126, 2516508, 2572236, 3565053, 3627189, 3858354, 4753404, 4836252, 5787531, 6851357, 7130106, 7254378, 7716708, 10695159, 10881567, 11575062, 13702714, 14260212, 14508756, 20554071, 21390318, 21763134, 23150124, 27405428, 32644701, 41108142, 42780636, 43526268, 61662213, 65289402, 82216284, 97934103, 123324426, 130578804, 184986639, 195868206, 246648852, 293802309, 369973278, 391736412, 554959917, 587604618, 739946556, 1109919834, 1175209236, 1664879751, 2219839668, 3329759502, 4994639253, 6659519004, 9989278506, 19978557012]

約数ペア:

[(1, 19978557012), (2, 9989278506), (3, 6659519004), (4, 4994639253), (6, 3329759502), (9, 2219839668), (12, 1664879751), (17, 1175209236), (18, 1109919834), (27, 739946556), (34, 587604618), (36, 554959917), (51, 391736412), (54, 369973278), (68, 293802309), (81, 246648852), (102, 195868206), (108, 184986639), (153, 130578804), (162, 123324426), (204, 97934103), (243, 82216284), (306, 65289402), (324, 61662213), (459, 43526268), (467, 42780636), (486, 41108142), (612, 32644701), (729, 27405428), (863, 23150124), (918, 21763134), (934, 21390318), (972, 20554071), (1377, 14508756), (1401, 14260212), (1458, 13702714), (1726, 11575062), (1836, 10881567), (1868, 10695159), (2589, 7716708), (2754, 7254378), (2802, 7130106), (2916, 6851357), (3452, 5787531), (4131, 4836252), (4203, 4753404), (5178, 3858354), (5508, 3627189), (5604, 3565053), (7767, 2572236), (7939, 2516508), (8262, 2418126), (8406, 2376702), (10356, 1929177), (12393, 1612084), (12609, 1584468), (14671, 1361772), (15534, 1286118), (15878, 1258254), (16524, 1209063), (16812, 1188351), (23301, 857412), (23817, 838836), (24786, 806042), (25218, 792234), (29342, 680886), (31068, 643059), (31756, 629127), (37827, 528156), (44013, 453924), (46602, 428706), (47634, 419418), (49572, 403021), (50436, 396117), (58684, 340443), (69903, 285804), (71451, 279612), (75654, 264078), (88026, 226962), (93204, 214353), (95268, 209709), (113481, 176052), (132039, 151308), (139806, 142902)]