19715738

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8747}}^1$

素因数の和:8786

約数の個数: 24

約数和(自身を含む): 35901792

約数和(自身を除く): 16186054

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 8747, 17494, 61229, 122458, 201181, 402362, 428603, 857206, 1408267, 2816534, 9857869, 19715738]

約数ペア:

[(1, 19715738), (2, 9857869), (7, 2816534), (14, 1408267), (23, 857206), (46, 428603), (49, 402362), (98, 201181), (161, 122458), (322, 61229), (1127, 17494), (2254, 8747)]