19313515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4871}}^1$

素因数の和:4950

約数の個数: 16

約数和(自身を含む): 25373376

約数和(自身を除く): 6059861

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 4871, 24355, 63323, 297131, 316615, 1485655, 3862703, 19313515]

約数ペア:

[(1, 19313515), (5, 3862703), (13, 1485655), (61, 316615), (65, 297131), (305, 63323), (793, 24355), (3965, 4871)]