17381780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66853}}^1$

素因数の和:66875

約数の個数: 24

約数和(自身を含む): 39310152

約数和(自身を除く): 21928372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 66853, 133706, 267412, 334265, 668530, 869089, 1337060, 1738178, 3476356, 4345445, 8690890, 17381780]

約数ペア:

[(1, 17381780), (2, 8690890), (4, 4345445), (5, 3476356), (10, 1738178), (13, 1337060), (20, 869089), (26, 668530), (52, 334265), (65, 267412), (130, 133706), (260, 66853)]