19651456

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 45275760

約数和(自身を除く): 25624304

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 272, 352, 374, 544, 704, 748, 821, 1088, 1408, 1496, 1642, 2176, 2992, 3284, 5984, 6568, 9031, 11968, 13136, 13957, 18062, 23936, 26272, 27914, 36124, 52544, 55828, 72248, 105088, 111656, 144496, 153527, 223312, 288992, 307054, 446624, 577984, 614108, 893248, 1155968, 1228216, 1786496, 2456432, 4912864, 9825728, 19651456]

約数ペア:

[(1, 19651456), (2, 9825728), (4, 4912864), (8, 2456432), (11, 1786496), (16, 1228216), (17, 1155968), (22, 893248), (32, 614108), (34, 577984), (44, 446624), (64, 307054), (68, 288992), (88, 223312), (128, 153527), (136, 144496), (176, 111656), (187, 105088), (272, 72248), (352, 55828), (374, 52544), (544, 36124), (704, 27914), (748, 26272), (821, 23936), (1088, 18062), (1408, 13957), (1496, 13136), (1642, 11968), (2176, 9031), (2992, 6568), (3284, 5984)]