19398412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10753}}^1$

素因数の和:10809

約数の個数: 24

約数和(自身を含む): 37940112

約数和(自身を除く): 18541700

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 10753, 21506, 43012, 118283, 236566, 440873, 473132, 881746, 1763492, 4849603, 9699206, 19398412]

約数ペア:

[(1, 19398412), (2, 9699206), (4, 4849603), (11, 1763492), (22, 881746), (41, 473132), (44, 440873), (82, 236566), (164, 118283), (451, 43012), (902, 21506), (1804, 10753)]