18315256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 36663840

約数和(自身を除く): 18348584

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 983, 1096, 1966, 2329, 3932, 4658, 7864, 9316, 16711, 18632, 33422, 66844, 133688, 134671, 269342, 538684, 1077368, 2289407, 4578814, 9157628, 18315256]

約数ペア:

[(1, 18315256), (2, 9157628), (4, 4578814), (8, 2289407), (17, 1077368), (34, 538684), (68, 269342), (136, 134671), (137, 133688), (274, 66844), (548, 33422), (983, 18632), (1096, 16711), (1966, 9316), (2329, 7864), (3932, 4658)]