19389997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 21876480

約数和(自身を除く): 2486483

約数列:

[1, 11, 53, 79, 421, 583, 869, 4187, 4631, 22313, 33259, 46057, 245443, 365849, 1762727, 19389997]

約数ペア:

[(1, 19389997), (11, 1762727), (53, 365849), (79, 245443), (421, 46057), (583, 33259), (869, 22313), (4187, 4631)]