19118891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 21513600

約数和(自身を除く): 2394709

約数列:

[1, 11, 59, 89, 331, 649, 979, 3641, 5251, 19529, 29459, 57761, 214819, 324049, 1738081, 19118891]

約数ペア:

[(1, 19118891), (11, 1738081), (59, 324049), (89, 214819), (331, 57761), (649, 29459), (979, 19529), (3641, 5251)]