18963408

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 51960960

約数和(自身を除く): 32997552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 89, 92, 138, 178, 184, 193, 267, 276, 356, 368, 386, 534, 552, 579, 712, 772, 1068, 1104, 1158, 1424, 1544, 2047, 2136, 2316, 3088, 4094, 4272, 4439, 4632, 6141, 8188, 8878, 9264, 12282, 13317, 16376, 17177, 17756, 24564, 26634, 32752, 34354, 35512, 49128, 51531, 53268, 68708, 71024, 98256, 103062, 106536, 137416, 206124, 213072, 274832, 395071, 412248, 790142, 824496, 1185213, 1580284, 2370426, 3160568, 4740852, 6321136, 9481704, 18963408]

約数ペア:

[(1, 18963408), (2, 9481704), (3, 6321136), (4, 4740852), (6, 3160568), (8, 2370426), (12, 1580284), (16, 1185213), (23, 824496), (24, 790142), (46, 412248), (48, 395071), (69, 274832), (89, 213072), (92, 206124), (138, 137416), (178, 106536), (184, 103062), (193, 98256), (267, 71024), (276, 68708), (356, 53268), (368, 51531), (386, 49128), (534, 35512), (552, 34354), (579, 32752), (712, 26634), (772, 24564), (1068, 17756), (1104, 17177), (1158, 16376), (1424, 13317), (1544, 12282), (2047, 9264), (2136, 8878), (2316, 8188), (3088, 6141), (4094, 4632), (4272, 4439)]