18231472

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 24622928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 59, 62, 89, 112, 118, 124, 178, 217, 236, 248, 356, 413, 434, 472, 496, 623, 712, 826, 868, 944, 1246, 1424, 1652, 1736, 1829, 2492, 2759, 3304, 3472, 3658, 4984, 5251, 5518, 6608, 7316, 9968, 10502, 11036, 12803, 14632, 19313, 21004, 22072, 25606, 29264, 36757, 38626, 42008, 44144, 51212, 73514, 77252, 84016, 102424, 147028, 154504, 162781, 204848, 294056, 309008, 325562, 588112, 651124, 1139467, 1302248, 2278934, 2604496, 4557868, 9115736, 18231472]

約数ペア:

[(1, 18231472), (2, 9115736), (4, 4557868), (7, 2604496), (8, 2278934), (14, 1302248), (16, 1139467), (28, 651124), (31, 588112), (56, 325562), (59, 309008), (62, 294056), (89, 204848), (112, 162781), (118, 154504), (124, 147028), (178, 102424), (217, 84016), (236, 77252), (248, 73514), (356, 51212), (413, 44144), (434, 42008), (472, 38626), (496, 36757), (623, 29264), (712, 25606), (826, 22072), (868, 21004), (944, 19313), (1246, 14632), (1424, 12803), (1652, 11036), (1736, 10502), (1829, 9968), (2492, 7316), (2759, 6608), (3304, 5518), (3472, 5251), (3658, 4984)]