18671848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 22152152

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 59, 68, 104, 118, 136, 179, 221, 236, 358, 442, 472, 716, 767, 884, 1003, 1432, 1534, 1768, 2006, 2327, 3043, 3068, 4012, 4654, 6086, 6136, 8024, 9308, 10561, 12172, 13039, 18616, 21122, 24344, 26078, 39559, 42244, 52156, 79118, 84488, 104312, 137293, 158236, 179537, 274586, 316472, 359074, 549172, 718148, 1098344, 1436296, 2333981, 4667962, 9335924, 18671848]

約数ペア:

[(1, 18671848), (2, 9335924), (4, 4667962), (8, 2333981), (13, 1436296), (17, 1098344), (26, 718148), (34, 549172), (52, 359074), (59, 316472), (68, 274586), (104, 179537), (118, 158236), (136, 137293), (179, 104312), (221, 84488), (236, 79118), (358, 52156), (442, 42244), (472, 39559), (716, 26078), (767, 24344), (884, 21122), (1003, 18616), (1432, 13039), (1534, 12172), (1768, 10561), (2006, 9308), (2327, 8024), (3043, 6136), (3068, 6086), (4012, 4654)]