42621940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112163}}^1$

素因数の和:112191

約数の個数: 24

約数和(自身を含む): 94217760

約数和(自身を除く): 51595820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 112163, 224326, 448652, 560815, 1121630, 2131097, 2243260, 4262194, 8524388, 10655485, 21310970, 42621940]

約数ペア:

[(1, 42621940), (2, 21310970), (4, 10655485), (5, 8524388), (10, 4262194), (19, 2243260), (20, 2131097), (38, 1121630), (76, 560815), (95, 448652), (190, 224326), (380, 112163)]