18819684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40213}}^1$

素因数の和:40236

約数の個数: 36

約数和(自身を含む): 51232636

約数和(自身を除く): 32412952

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40213, 80426, 120639, 160852, 241278, 361917, 482556, 522769, 723834, 1045538, 1447668, 1568307, 2091076, 3136614, 4704921, 6273228, 9409842, 18819684]

約数ペア:

[(1, 18819684), (2, 9409842), (3, 6273228), (4, 4704921), (6, 3136614), (9, 2091076), (12, 1568307), (13, 1447668), (18, 1045538), (26, 723834), (36, 522769), (39, 482556), (52, 361917), (78, 241278), (117, 160852), (156, 120639), (234, 80426), (468, 40213)]