18980804976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{56490491}}^1$

素因数の和:56490509

約数の個数: 40

約数和(自身を含む): 56038568064

約数和(自身を除く): 37057763088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 56490491, 112980982, 169471473, 225961964, 338942946, 395433437, 451923928, 677885892, 790866874, 903847856, 1186300311, 1355771784, 1581733748, 2372600622, 2711543568, 3163467496, 4745201244, 6326934992, 9490402488, 18980804976]

約数ペア:

[(1, 18980804976), (2, 9490402488), (3, 6326934992), (4, 4745201244), (6, 3163467496), (7, 2711543568), (8, 2372600622), (12, 1581733748), (14, 1355771784), (16, 1186300311), (21, 903847856), (24, 790866874), (28, 677885892), (42, 451923928), (48, 395433437), (56, 338942946), (84, 225961964), (112, 169471473), (168, 112980982), (336, 56490491)]