19958796

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3877}}^1$

素因数の和:3911

約数の個数: 72

約数和(自身を含む): 59286864

約数和(自身を除く): 39328068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 3877, 5148, 7754, 11631, 15508, 23262, 34893, 42647, 46524, 50401, 69786, 85294, 100802, 127941, 139572, 151203, 170588, 201604, 255882, 302406, 383823, 453609, 511764, 554411, 604812, 767646, 907218, 1108822, 1535292, 1663233, 1814436, 2217644, 3326466, 4989699, 6652932, 9979398, 19958796]

約数ペア:

[(1, 19958796), (2, 9979398), (3, 6652932), (4, 4989699), (6, 3326466), (9, 2217644), (11, 1814436), (12, 1663233), (13, 1535292), (18, 1108822), (22, 907218), (26, 767646), (33, 604812), (36, 554411), (39, 511764), (44, 453609), (52, 383823), (66, 302406), (78, 255882), (99, 201604), (117, 170588), (132, 151203), (143, 139572), (156, 127941), (198, 100802), (234, 85294), (286, 69786), (396, 50401), (429, 46524), (468, 42647), (572, 34893), (858, 23262), (1287, 15508), (1716, 11631), (2574, 7754), (3877, 5148)]