18622410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 47215872

約数和(自身を除く): 28593462

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 137, 138, 197, 230, 274, 345, 394, 411, 591, 685, 690, 822, 985, 1182, 1370, 1970, 2055, 2955, 3151, 4110, 4531, 5910, 6302, 9062, 9453, 13593, 15755, 18906, 22655, 26989, 27186, 31510, 45310, 47265, 53978, 67965, 80967, 94530, 134945, 135930, 161934, 269890, 404835, 620747, 809670, 1241494, 1862241, 3103735, 3724482, 6207470, 9311205, 18622410]

約数ペア:

[(1, 18622410), (2, 9311205), (3, 6207470), (5, 3724482), (6, 3103735), (10, 1862241), (15, 1241494), (23, 809670), (30, 620747), (46, 404835), (69, 269890), (115, 161934), (137, 135930), (138, 134945), (197, 94530), (230, 80967), (274, 67965), (345, 53978), (394, 47265), (411, 45310), (591, 31510), (685, 27186), (690, 26989), (822, 22655), (985, 18906), (1182, 15755), (1370, 13593), (1970, 9453), (2055, 9062), (2955, 6302), (3151, 5910), (4110, 4531)]