18972534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{811}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 43497216

約数和(自身を除く): 24524682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 557, 811, 1114, 1622, 1671, 2433, 3342, 3899, 4866, 5677, 7798, 11354, 11697, 17031, 23394, 34062, 451727, 903454, 1355181, 2710362, 3162089, 6324178, 9486267, 18972534]

約数ペア:

[(1, 18972534), (2, 9486267), (3, 6324178), (6, 3162089), (7, 2710362), (14, 1355181), (21, 903454), (42, 451727), (557, 34062), (811, 23394), (1114, 17031), (1622, 11697), (1671, 11354), (2433, 7798), (3342, 5677), (3899, 4866)]