18969080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36479}}^1$

素因数の和:36503

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 26995720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36479, 72958, 145916, 182395, 291832, 364790, 474227, 729580, 948454, 1459160, 1896908, 2371135, 3793816, 4742270, 9484540, 18969080]

約数ペア:

[(1, 18969080), (2, 9484540), (4, 4742270), (5, 3793816), (8, 2371135), (10, 1896908), (13, 1459160), (20, 948454), (26, 729580), (40, 474227), (52, 364790), (65, 291832), (104, 182395), (130, 145916), (260, 72958), (520, 36479)]