18300370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 37977984

約数和(自身を除く): 19677614

約数列:

[1, 2, 5, 10, 11, 22, 43, 53, 55, 73, 86, 106, 110, 146, 215, 265, 365, 430, 473, 530, 583, 730, 803, 946, 1166, 1606, 2279, 2365, 2915, 3139, 3869, 4015, 4558, 4730, 5830, 6278, 7738, 8030, 11395, 15695, 19345, 22790, 25069, 31390, 34529, 38690, 42559, 50138, 69058, 85118, 125345, 166367, 172645, 212795, 250690, 332734, 345290, 425590, 831835, 1663670, 1830037, 3660074, 9150185, 18300370]

約数ペア:

[(1, 18300370), (2, 9150185), (5, 3660074), (10, 1830037), (11, 1663670), (22, 831835), (43, 425590), (53, 345290), (55, 332734), (73, 250690), (86, 212795), (106, 172645), (110, 166367), (146, 125345), (215, 85118), (265, 69058), (365, 50138), (430, 42559), (473, 38690), (530, 34529), (583, 31390), (730, 25069), (803, 22790), (946, 19345), (1166, 15695), (1606, 11395), (2279, 8030), (2365, 7738), (2915, 6278), (3139, 5830), (3869, 4730), (4015, 4558)]