18578124

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 50035440

約数和(自身を除く): 31457316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 157, 171, 173, 228, 314, 342, 346, 471, 519, 628, 684, 692, 942, 1038, 1413, 1557, 1884, 2076, 2826, 2983, 3114, 3287, 5652, 5966, 6228, 6574, 8949, 9861, 11932, 13148, 17898, 19722, 26847, 27161, 29583, 35796, 39444, 53694, 54322, 59166, 81483, 107388, 108644, 118332, 162966, 244449, 325932, 488898, 516059, 977796, 1032118, 1548177, 2064236, 3096354, 4644531, 6192708, 9289062, 18578124]

約数ペア:

[(1, 18578124), (2, 9289062), (3, 6192708), (4, 4644531), (6, 3096354), (9, 2064236), (12, 1548177), (18, 1032118), (19, 977796), (36, 516059), (38, 488898), (57, 325932), (76, 244449), (114, 162966), (157, 118332), (171, 108644), (173, 107388), (228, 81483), (314, 59166), (342, 54322), (346, 53694), (471, 39444), (519, 35796), (628, 29583), (684, 27161), (692, 26847), (942, 19722), (1038, 17898), (1413, 13148), (1557, 11932), (1884, 9861), (2076, 8949), (2826, 6574), (2983, 6228), (3114, 5966), (3287, 5652)]