19370860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23623}}^1$

素因数の和:23673

約数の個数: 24

約数和(自身を含む): 41672736

約数和(自身を除く): 22301876

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23623, 47246, 94492, 118115, 236230, 472460, 968543, 1937086, 3874172, 4842715, 9685430, 19370860]

約数ペア:

[(1, 19370860), (2, 9685430), (4, 4842715), (5, 3874172), (10, 1937086), (20, 968543), (41, 472460), (82, 236230), (164, 118115), (205, 94492), (410, 47246), (820, 23623)]