18421396

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4357}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 37095296

約数和(自身を除く): 18673900

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4357, 8714, 17428, 30499, 60998, 121996, 657907, 1315814, 2631628, 4605349, 9210698, 18421396]

約数ペア:

[(1, 18421396), (2, 9210698), (4, 4605349), (7, 2631628), (14, 1315814), (28, 657907), (151, 121996), (302, 60998), (604, 30499), (1057, 17428), (2114, 8714), (4228, 4357)]