18804933860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2404723}}^1$

素因数の和:2404772

約数の個数: 48

約数和(自身を含む): 43631312256

約数和(自身を除く): 24826378396

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 2404723, 4809446, 9618892, 12023615, 24047230, 40880291, 48094460, 55308629, 81760582, 110617258, 163521164, 204401455, 221234516, 276543145, 408802910, 553086290, 817605820, 940246693, 1106172580, 1880493386, 3760986772, 4701233465, 9402466930, 18804933860]

約数ペア:

[(1, 18804933860), (2, 9402466930), (4, 4701233465), (5, 3760986772), (10, 1880493386), (17, 1106172580), (20, 940246693), (23, 817605820), (34, 553086290), (46, 408802910), (68, 276543145), (85, 221234516), (92, 204401455), (115, 163521164), (170, 110617258), (230, 81760582), (340, 55308629), (391, 48094460), (460, 40880291), (782, 24047230), (1564, 12023615), (1955, 9618892), (3910, 4809446), (7820, 2404723)]