19046989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 21382144

約数和(自身を除く): 2335155

約数列:

[1, 13, 31, 151, 313, 403, 1963, 4069, 4681, 9703, 47263, 60853, 126139, 614419, 1465153, 19046989]

約数ペア:

[(1, 19046989), (13, 1465153), (31, 614419), (151, 126139), (313, 60853), (403, 47263), (1963, 9703), (4069, 4681)]