18442017620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1\times {\mathrm{953}}^1$

素因数の和:1521

約数の個数: 96

約数和(自身を含む): 42057937152

約数和(自身を除く): 23615919532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 283, 526, 566, 953, 1052, 1132, 1315, 1415, 1906, 2630, 2830, 3419, 3679, 3812, 4765, 5260, 5660, 6838, 7358, 9530, 12389, 13676, 14716, 17095, 18395, 19060, 24778, 34190, 36790, 49556, 61945, 68380, 73580, 74429, 123890, 148858, 247780, 250639, 269699, 297716, 372145, 501278, 539398, 744290, 967577, 1002556, 1078796, 1253195, 1348495, 1488580, 1935154, 2506390, 2696990, 3258307, 3506087, 3870308, 4837885, 5012780, 5393980, 6516614, 7012174, 9675770, 13033228, 14024348, 16291535, 17530435, 19351540, 32583070, 35060870, 65166140, 70121740, 70930837, 141861674, 283723348, 354654185, 709308370, 922100881, 1418616740, 1844201762, 3688403524, 4610504405, 9221008810, 18442017620]

約数ペア:

[(1, 18442017620), (2, 9221008810), (4, 4610504405), (5, 3688403524), (10, 1844201762), (13, 1418616740), (20, 922100881), (26, 709308370), (52, 354654185), (65, 283723348), (130, 141861674), (260, 70930837), (263, 70121740), (283, 65166140), (526, 35060870), (566, 32583070), (953, 19351540), (1052, 17530435), (1132, 16291535), (1315, 14024348), (1415, 13033228), (1906, 9675770), (2630, 7012174), (2830, 6516614), (3419, 5393980), (3679, 5012780), (3812, 4837885), (4765, 3870308), (5260, 3506087), (5660, 3258307), (6838, 2696990), (7358, 2506390), (9530, 1935154), (12389, 1488580), (13676, 1348495), (14716, 1253195), (17095, 1078796), (18395, 1002556), (19060, 967577), (24778, 744290), (34190, 539398), (36790, 501278), (49556, 372145), (61945, 297716), (68380, 269699), (73580, 250639), (74429, 247780), (123890, 148858)]