18722712

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 50133600

約数和(自身を除く): 31410888

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 109, 136, 204, 218, 327, 408, 421, 436, 654, 842, 872, 1263, 1308, 1684, 1853, 2526, 2616, 3368, 3706, 5052, 5559, 7157, 7412, 10104, 11118, 14314, 14824, 21471, 22236, 28628, 42942, 44472, 45889, 57256, 85884, 91778, 137667, 171768, 183556, 275334, 367112, 550668, 780113, 1101336, 1560226, 2340339, 3120452, 4680678, 6240904, 9361356, 18722712]

約数ペア:

[(1, 18722712), (2, 9361356), (3, 6240904), (4, 4680678), (6, 3120452), (8, 2340339), (12, 1560226), (17, 1101336), (24, 780113), (34, 550668), (51, 367112), (68, 275334), (102, 183556), (109, 171768), (136, 137667), (204, 91778), (218, 85884), (327, 57256), (408, 45889), (421, 44472), (436, 42942), (654, 28628), (842, 22236), (872, 21471), (1263, 14824), (1308, 14314), (1684, 11118), (1853, 10104), (2526, 7412), (2616, 7157), (3368, 5559), (3706, 5052)]