18967760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33871}}^1$

素因数の和:33891

約数の個数: 40

約数和(自身を含む): 50401536

約数和(自身を除く): 31433776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33871, 67742, 135484, 169355, 237097, 270968, 338710, 474194, 541936, 677420, 948388, 1185485, 1354840, 1896776, 2370970, 2709680, 3793552, 4741940, 9483880, 18967760]

約数ペア:

[(1, 18967760), (2, 9483880), (4, 4741940), (5, 3793552), (7, 2709680), (8, 2370970), (10, 1896776), (14, 1354840), (16, 1185485), (20, 948388), (28, 677420), (35, 541936), (40, 474194), (56, 338710), (70, 270968), (80, 237097), (112, 169355), (140, 135484), (280, 67742), (560, 33871)]