18961616

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{1213}}^1$

素因数の和:2198

約数の個数: 20

約数和(自身を含む): 36806052

約数和(自身を除く): 17844436

約数列:

[1, 2, 4, 8, 16, 977, 1213, 1954, 2426, 3908, 4852, 7816, 9704, 15632, 19408, 1185101, 2370202, 4740404, 9480808, 18961616]

約数ペア:

[(1, 18961616), (2, 9480808), (4, 4740404), (8, 2370202), (16, 1185101), (977, 19408), (1213, 15632), (1954, 9704), (2426, 7816), (3908, 4852)]