18101984

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1567}}^1$

素因数の和:1615

約数の個数: 36

約数和(自身を含む): 37636704

約数和(自身を除く): 19534720

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1567, 2888, 3134, 5776, 6268, 11552, 12536, 25072, 29773, 50144, 59546, 119092, 238184, 476368, 565687, 952736, 1131374, 2262748, 4525496, 9050992, 18101984]

約数ペア:

[(1, 18101984), (2, 9050992), (4, 4525496), (8, 2262748), (16, 1131374), (19, 952736), (32, 565687), (38, 476368), (76, 238184), (152, 119092), (304, 59546), (361, 50144), (608, 29773), (722, 25072), (1444, 12536), (1567, 11552), (2888, 6268), (3134, 5776)]