19490538

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61291}}^1$

素因数の和:61349

約数の個数: 16

約数和(自身を含む): 39717216

約数和(自身を除く): 20226678

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 61291, 122582, 183873, 367746, 3248423, 6496846, 9745269, 19490538]

約数ペア:

[(1, 19490538), (2, 9745269), (3, 6496846), (6, 3248423), (53, 367746), (106, 183873), (159, 122582), (318, 61291)]