18629264

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 60

約数和(自身を含む): 39497472

約数和(自身を除く): 20868208

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 71, 92, 124, 142, 184, 248, 284, 368, 496, 529, 568, 713, 1058, 1136, 1426, 1633, 2116, 2201, 2852, 3266, 4232, 4402, 5704, 6532, 8464, 8804, 11408, 13064, 16399, 17608, 26128, 32798, 35216, 37559, 50623, 65596, 75118, 101246, 131192, 150236, 202492, 262384, 300472, 404984, 600944, 809968, 1164329, 2328658, 4657316, 9314632, 18629264]

約数ペア:

[(1, 18629264), (2, 9314632), (4, 4657316), (8, 2328658), (16, 1164329), (23, 809968), (31, 600944), (46, 404984), (62, 300472), (71, 262384), (92, 202492), (124, 150236), (142, 131192), (184, 101246), (248, 75118), (284, 65596), (368, 50623), (496, 37559), (529, 35216), (568, 32798), (713, 26128), (1058, 17608), (1136, 16399), (1426, 13064), (1633, 11408), (2116, 8804), (2201, 8464), (2852, 6532), (3266, 5704), (4232, 4402)]