18954944

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 56

約数和(自身を含む): 39989760

約数和(自身を除く): 21034816

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 79, 92, 158, 163, 184, 316, 326, 368, 632, 652, 736, 1264, 1304, 1472, 1817, 2528, 2608, 3634, 3749, 5056, 5216, 7268, 7498, 10432, 12877, 14536, 14996, 25754, 29072, 29992, 51508, 58144, 59984, 103016, 116288, 119968, 206032, 239936, 296171, 412064, 592342, 824128, 1184684, 2369368, 4738736, 9477472, 18954944]

約数ペア:

[(1, 18954944), (2, 9477472), (4, 4738736), (8, 2369368), (16, 1184684), (23, 824128), (32, 592342), (46, 412064), (64, 296171), (79, 239936), (92, 206032), (158, 119968), (163, 116288), (184, 103016), (316, 59984), (326, 58144), (368, 51508), (632, 29992), (652, 29072), (736, 25754), (1264, 14996), (1304, 14536), (1472, 12877), (1817, 10432), (2528, 7498), (2608, 7268), (3634, 5216), (3749, 5056)]