19651156

素因数分解:

$2^2\times 7^3\times {\mathrm{14323}}^1$

素因数の和:14348

約数の個数: 24

約数和(自身を含む): 40107200

約数和(自身を除く): 20456044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14323, 28646, 57292, 100261, 200522, 401044, 701827, 1403654, 2807308, 4912789, 9825578, 19651156]

約数ペア:

[(1, 19651156), (2, 9825578), (4, 4912789), (7, 2807308), (14, 1403654), (28, 701827), (49, 401044), (98, 200522), (196, 100261), (343, 57292), (686, 28646), (1372, 14323)]