18941366

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 32076000

約数和(自身を除く): 13134634

約数列:

[1, 2, 17, 19, 34, 38, 109, 218, 269, 323, 538, 646, 1853, 2071, 3706, 4142, 4573, 5111, 9146, 10222, 29321, 35207, 58642, 70414, 86887, 173774, 498457, 557099, 996914, 1114198, 9470683, 18941366]

約数ペア:

[(1, 18941366), (2, 9470683), (17, 1114198), (19, 996914), (34, 557099), (38, 498457), (109, 173774), (218, 86887), (269, 70414), (323, 58642), (538, 35207), (646, 29321), (1853, 10222), (2071, 9146), (3706, 5111), (4142, 4573)]