18785936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2441}}^1$

素因数の和:2499

約数の個数: 40

約数和(自身を含む): 40273464

約数和(自身を除く): 21487528

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2441, 3848, 4882, 7696, 9764, 19528, 31733, 39056, 63466, 90317, 126932, 180634, 253864, 361268, 507728, 722536, 1174121, 1445072, 2348242, 4696484, 9392968, 18785936]

約数ペア:

[(1, 18785936), (2, 9392968), (4, 4696484), (8, 2348242), (13, 1445072), (16, 1174121), (26, 722536), (37, 507728), (52, 361268), (74, 253864), (104, 180634), (148, 126932), (208, 90317), (296, 63466), (481, 39056), (592, 31733), (962, 19528), (1924, 9764), (2441, 7696), (3848, 4882)]