18643716

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 144

約数和(自身を含む): 60775680

約数和(自身を除く): 42131964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 182, 189, 196, 234, 252, 271, 273, 294, 351, 364, 378, 441, 468, 542, 546, 588, 637, 702, 756, 813, 819, 882, 1084, 1092, 1274, 1323, 1404, 1626, 1638, 1764, 1897, 1911, 2439, 2457, 2548, 2646, 3252, 3276, 3523, 3794, 3822, 4878, 4914, 5292, 5691, 5733, 7046, 7317, 7588, 7644, 9756, 9828, 10569, 11382, 11466, 13279, 14092, 14634, 17073, 17199, 21138, 22764, 22932, 24661, 26558, 29268, 31707, 34146, 34398, 39837, 42276, 49322, 51219, 53116, 63414, 68292, 68796, 73983, 79674, 95121, 98644, 102438, 119511, 126828, 147966, 159348, 172627, 190242, 204876, 221949, 239022, 295932, 345254, 358533, 380484, 443898, 478044, 517881, 665847, 690508, 717066, 887796, 1035762, 1331694, 1434132, 1553643, 2071524, 2663388, 3107286, 4660929, 6214572, 9321858, 18643716]

約数ペア:

[(1, 18643716), (2, 9321858), (3, 6214572), (4, 4660929), (6, 3107286), (7, 2663388), (9, 2071524), (12, 1553643), (13, 1434132), (14, 1331694), (18, 1035762), (21, 887796), (26, 717066), (27, 690508), (28, 665847), (36, 517881), (39, 478044), (42, 443898), (49, 380484), (52, 358533), (54, 345254), (63, 295932), (78, 239022), (84, 221949), (91, 204876), (98, 190242), (108, 172627), (117, 159348), (126, 147966), (147, 126828), (156, 119511), (182, 102438), (189, 98644), (196, 95121), (234, 79674), (252, 73983), (271, 68796), (273, 68292), (294, 63414), (351, 53116), (364, 51219), (378, 49322), (441, 42276), (468, 39837), (542, 34398), (546, 34146), (588, 31707), (637, 29268), (702, 26558), (756, 24661), (813, 22932), (819, 22764), (882, 21138), (1084, 17199), (1092, 17073), (1274, 14634), (1323, 14092), (1404, 13279), (1626, 11466), (1638, 11382), (1764, 10569), (1897, 9828), (1911, 9756), (2439, 7644), (2457, 7588), (2548, 7317), (2646, 7046), (3252, 5733), (3276, 5691), (3523, 5292), (3794, 4914), (3822, 4878)]