18905364

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{8609}}^1$

素因数の和:8680

約数の個数: 36

約数和(自身を含む): 48577620

約数和(自身を除く): 29672256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 8609, 17218, 25827, 34436, 51654, 77481, 103308, 154962, 309924, 525149, 1050298, 1575447, 2100596, 3150894, 4726341, 6301788, 9452682, 18905364]

約数ペア:

[(1, 18905364), (2, 9452682), (3, 6301788), (4, 4726341), (6, 3150894), (9, 2100596), (12, 1575447), (18, 1050298), (36, 525149), (61, 309924), (122, 154962), (183, 103308), (244, 77481), (366, 51654), (549, 34436), (732, 25827), (1098, 17218), (2196, 8609)]