18697926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24847674

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 59, 78, 102, 118, 177, 221, 239, 354, 442, 478, 663, 717, 767, 1003, 1326, 1434, 1534, 2006, 2301, 3009, 3107, 4063, 4602, 6018, 6214, 8126, 9321, 12189, 13039, 14101, 18642, 24378, 26078, 28202, 39117, 42303, 52819, 78234, 84606, 105638, 158457, 183313, 239717, 316914, 366626, 479434, 549939, 719151, 1099878, 1438302, 3116321, 6232642, 9348963, 18697926]

約数ペア:

[(1, 18697926), (2, 9348963), (3, 6232642), (6, 3116321), (13, 1438302), (17, 1099878), (26, 719151), (34, 549939), (39, 479434), (51, 366626), (59, 316914), (78, 239717), (102, 183313), (118, 158457), (177, 105638), (221, 84606), (239, 78234), (354, 52819), (442, 42303), (478, 39117), (663, 28202), (717, 26078), (767, 24378), (1003, 18642), (1326, 14101), (1434, 13039), (1534, 12189), (2006, 9321), (2301, 8126), (3009, 6214), (3107, 6018), (4063, 4602)]