31861518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21499}}^1$

素因数の和:21536

約数の個数: 32

約数和(自身を含む): 72240000

約数和(自身を除く): 40378482

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 21499, 42998, 64497, 128994, 279487, 408481, 558974, 816962, 838461, 1225443, 1676922, 2450886, 5310253, 10620506, 15930759, 31861518]

約数ペア:

[(1, 31861518), (2, 15930759), (3, 10620506), (6, 5310253), (13, 2450886), (19, 1676922), (26, 1225443), (38, 838461), (39, 816962), (57, 558974), (78, 408481), (114, 279487), (247, 128994), (494, 64497), (741, 42998), (1482, 21499)]