18387408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 51941120

約数和(自身を除く): 33553712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 79, 104, 156, 158, 208, 237, 312, 316, 373, 474, 624, 632, 746, 948, 1027, 1119, 1264, 1492, 1896, 2054, 2238, 2984, 3081, 3792, 4108, 4476, 4849, 5968, 6162, 8216, 8952, 9698, 12324, 14547, 16432, 17904, 19396, 24648, 29094, 29467, 38792, 49296, 58188, 58934, 77584, 88401, 116376, 117868, 176802, 232752, 235736, 353604, 383071, 471472, 707208, 766142, 1149213, 1414416, 1532284, 2298426, 3064568, 4596852, 6129136, 9193704, 18387408]

約数ペア:

[(1, 18387408), (2, 9193704), (3, 6129136), (4, 4596852), (6, 3064568), (8, 2298426), (12, 1532284), (13, 1414416), (16, 1149213), (24, 766142), (26, 707208), (39, 471472), (48, 383071), (52, 353604), (78, 235736), (79, 232752), (104, 176802), (156, 117868), (158, 116376), (208, 88401), (237, 77584), (312, 58934), (316, 58188), (373, 49296), (474, 38792), (624, 29467), (632, 29094), (746, 24648), (948, 19396), (1027, 17904), (1119, 16432), (1264, 14547), (1492, 12324), (1896, 9698), (2054, 8952), (2238, 8216), (2984, 6162), (3081, 5968), (3792, 4849), (4108, 4476)]