18711848

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 17783512

約数列:

[1, 2, 4, 8, 31, 62, 124, 197, 248, 383, 394, 766, 788, 1532, 1576, 3064, 6107, 11873, 12214, 23746, 24428, 47492, 48856, 75451, 94984, 150902, 301804, 603608, 2338981, 4677962, 9355924, 18711848]

約数ペア:

[(1, 18711848), (2, 9355924), (4, 4677962), (8, 2338981), (31, 603608), (62, 301804), (124, 150902), (197, 94984), (248, 75451), (383, 48856), (394, 47492), (766, 24428), (788, 23746), (1532, 12214), (1576, 11873), (3064, 6107)]