19963605

素因数分解:

$3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2887}}^1$

素因数の和:3356

約数の個数: 16

約数和(自身を含む): 32022144

約数和(自身を除く): 12058539

約数列:

[1, 3, 5, 15, 461, 1383, 2305, 2887, 6915, 8661, 14435, 43305, 1330907, 3992721, 6654535, 19963605]

約数ペア:

[(1, 19963605), (3, 6654535), (5, 3992721), (15, 1330907), (461, 43305), (1383, 14435), (2305, 8661), (2887, 6915)]