18071790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2425

約数の個数: 64

約数和(自身を含む): 49393152

約数和(自身を除く): 31321362

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2381, 2530, 3795, 4762, 7143, 7590, 11905, 14286, 23810, 26191, 35715, 52382, 54763, 71430, 78573, 109526, 130955, 157146, 164289, 261910, 273815, 328578, 392865, 547630, 602393, 785730, 821445, 1204786, 1642890, 1807179, 3011965, 3614358, 6023930, 9035895, 18071790]

約数ペア:

[(1, 18071790), (2, 9035895), (3, 6023930), (5, 3614358), (6, 3011965), (10, 1807179), (11, 1642890), (15, 1204786), (22, 821445), (23, 785730), (30, 602393), (33, 547630), (46, 392865), (55, 328578), (66, 273815), (69, 261910), (110, 164289), (115, 157146), (138, 130955), (165, 109526), (230, 78573), (253, 71430), (330, 54763), (345, 52382), (506, 35715), (690, 26191), (759, 23810), (1265, 14286), (1518, 11905), (2381, 7590), (2530, 7143), (3795, 4762)]