19856270

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{827}}^1$

素因数の和:862

約数の個数: 40

約数和(自身を含む): 41746104

約数和(自身を除く): 21889834

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 827, 1654, 1715, 2401, 3430, 4135, 4802, 5789, 8270, 11578, 12005, 24010, 28945, 40523, 57890, 81046, 202615, 283661, 405230, 567322, 1418305, 1985627, 2836610, 3971254, 9928135, 19856270]

約数ペア:

[(1, 19856270), (2, 9928135), (5, 3971254), (7, 2836610), (10, 1985627), (14, 1418305), (35, 567322), (49, 405230), (70, 283661), (98, 202615), (245, 81046), (343, 57890), (490, 40523), (686, 28945), (827, 24010), (1654, 12005), (1715, 11578), (2401, 8270), (3430, 5789), (4135, 4802)]