19153820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136813}}^1$

素因数の和:136829

約数の個数: 24

約数和(自身を含む): 45969504

約数和(自身を除く): 26815684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136813, 273626, 547252, 684065, 957691, 1368130, 1915382, 2736260, 3830764, 4788455, 9576910, 19153820]

約数ペア:

[(1, 19153820), (2, 9576910), (4, 4788455), (5, 3830764), (7, 2736260), (10, 1915382), (14, 1368130), (20, 957691), (28, 684065), (35, 547252), (70, 273626), (140, 136813)]