18236428054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{10781}}^1$

素因数の和:10945

約数の個数: 64

約数和(自身を含む): 32278720320

約数和(自身を除く): 14042292266

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 89, 178, 221, 442, 559, 731, 1118, 1157, 1462, 1513, 2314, 3026, 3827, 7654, 9503, 10781, 19006, 19669, 21562, 39338, 49751, 65059, 99502, 130118, 140153, 183277, 280306, 366554, 463583, 845767, 927166, 959509, 1691534, 1919018, 2382601, 4765202, 6026579, 7880911, 12053158, 12473617, 15761822, 16311653, 24947234, 32623306, 41258887, 82517774, 102451843, 204903686, 212051489, 424102978, 536365531, 701401079, 1072731062, 1402802158, 9118214027, 18236428054]

約数ペア:

[(1, 18236428054), (2, 9118214027), (13, 1402802158), (17, 1072731062), (26, 701401079), (34, 536365531), (43, 424102978), (86, 212051489), (89, 204903686), (178, 102451843), (221, 82517774), (442, 41258887), (559, 32623306), (731, 24947234), (1118, 16311653), (1157, 15761822), (1462, 12473617), (1513, 12053158), (2314, 7880911), (3026, 6026579), (3827, 4765202), (7654, 2382601), (9503, 1919018), (10781, 1691534), (19006, 959509), (19669, 927166), (21562, 845767), (39338, 463583), (49751, 366554), (65059, 280306), (99502, 183277), (130118, 140153)]