19807432

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 38803320

約数和(自身を除く): 18995888

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1097, 2194, 2257, 4388, 4514, 8776, 9028, 18056, 40589, 66917, 81178, 133834, 162356, 267668, 324712, 535336, 2475929, 4951858, 9903716, 19807432]

約数ペア:

[(1, 19807432), (2, 9903716), (4, 4951858), (8, 2475929), (37, 535336), (61, 324712), (74, 267668), (122, 162356), (148, 133834), (244, 81178), (296, 66917), (488, 40589), (1097, 18056), (2194, 9028), (2257, 8776), (4388, 4514)]