31978406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{10139}}^1$

素因数の和:10243

約数の個数: 16

約数和(自身を含む): 51105600

約数和(自身を除く): 19127194

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 10139, 20278, 192641, 385282, 841537, 1683074, 15989203, 31978406]

約数ペア:

[(1, 31978406), (2, 15989203), (19, 1683074), (38, 841537), (83, 385282), (166, 192641), (1577, 20278), (3154, 10139)]