19820016

素因数分解:

$2^4\times 3^2\times {\mathrm{137639}}^1$

素因数の和:137653

約数の個数: 30

約数和(自身を含む): 55468920

約数和(自身を除く): 35648904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137639, 275278, 412917, 550556, 825834, 1101112, 1238751, 1651668, 2202224, 2477502, 3303336, 4955004, 6606672, 9910008, 19820016]

約数ペア:

[(1, 19820016), (2, 9910008), (3, 6606672), (4, 4955004), (6, 3303336), (8, 2477502), (9, 2202224), (12, 1651668), (16, 1238751), (18, 1101112), (24, 825834), (36, 550556), (48, 412917), (72, 275278), (144, 137639)]