18527340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23753}}^1$

素因数の和:23778

約数の個数: 48

約数和(自身を含む): 55869408

約数和(自身を除く): 37342068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23753, 47506, 71259, 95012, 118765, 142518, 237530, 285036, 308789, 356295, 475060, 617578, 712590, 926367, 1235156, 1425180, 1543945, 1852734, 3087890, 3705468, 4631835, 6175780, 9263670, 18527340]

約数ペア:

[(1, 18527340), (2, 9263670), (3, 6175780), (4, 4631835), (5, 3705468), (6, 3087890), (10, 1852734), (12, 1543945), (13, 1425180), (15, 1235156), (20, 926367), (26, 712590), (30, 617578), (39, 475060), (52, 356295), (60, 308789), (65, 285036), (78, 237530), (130, 142518), (156, 118765), (195, 95012), (260, 71259), (390, 47506), (780, 23753)]