18319290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 49116672

約数和(自身を除く): 30797382

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1291, 1419, 2365, 2582, 2838, 3873, 4730, 6455, 7095, 7746, 12910, 14190, 14201, 19365, 28402, 38730, 42603, 55513, 71005, 85206, 111026, 142010, 166539, 213015, 277565, 333078, 426030, 555130, 610643, 832695, 1221286, 1665390, 1831929, 3053215, 3663858, 6106430, 9159645, 18319290]

約数ペア:

[(1, 18319290), (2, 9159645), (3, 6106430), (5, 3663858), (6, 3053215), (10, 1831929), (11, 1665390), (15, 1221286), (22, 832695), (30, 610643), (33, 555130), (43, 426030), (55, 333078), (66, 277565), (86, 213015), (110, 166539), (129, 142010), (165, 111026), (215, 85206), (258, 71005), (330, 55513), (430, 42603), (473, 38730), (645, 28402), (946, 19365), (1290, 14201), (1291, 14190), (1419, 12910), (2365, 7746), (2582, 7095), (2838, 6455), (3873, 4730)]