18469640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65963}}^1$

素因数の和:65981

約数の個数: 32

約数和(自身を含む): 47494080

約数和(自身を除く): 29024440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65963, 131926, 263852, 329815, 461741, 527704, 659630, 923482, 1319260, 1846964, 2308705, 2638520, 3693928, 4617410, 9234820, 18469640]

約数ペア:

[(1, 18469640), (2, 9234820), (4, 4617410), (5, 3693928), (7, 2638520), (8, 2308705), (10, 1846964), (14, 1319260), (20, 923482), (28, 659630), (35, 527704), (40, 461741), (56, 329815), (70, 263852), (140, 131926), (280, 65963)]