19518876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 53660880

約数和(自身を除く): 34142004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 179, 233, 234, 358, 466, 468, 537, 699, 716, 932, 1074, 1398, 1611, 2097, 2148, 2327, 2796, 3029, 3222, 4194, 4654, 6058, 6444, 6981, 8388, 9087, 9308, 12116, 13962, 18174, 20943, 27261, 27924, 36348, 41707, 41886, 54522, 83414, 83772, 109044, 125121, 166828, 250242, 375363, 500484, 542191, 750726, 1084382, 1501452, 1626573, 2168764, 3253146, 4879719, 6506292, 9759438, 19518876]

約数ペア:

[(1, 19518876), (2, 9759438), (3, 6506292), (4, 4879719), (6, 3253146), (9, 2168764), (12, 1626573), (13, 1501452), (18, 1084382), (26, 750726), (36, 542191), (39, 500484), (52, 375363), (78, 250242), (117, 166828), (156, 125121), (179, 109044), (233, 83772), (234, 83414), (358, 54522), (466, 41886), (468, 41707), (537, 36348), (699, 27924), (716, 27261), (932, 20943), (1074, 18174), (1398, 13962), (1611, 12116), (2097, 9308), (2148, 9087), (2327, 8388), (2796, 6981), (3029, 6444), (3222, 6058), (4194, 4654)]