18356380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18731}}^1$

素因数の和:18754

約数の個数: 36

約数和(自身を含む): 44844408

約数和(自身を除く): 26488028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18731, 37462, 74924, 93655, 131117, 187310, 262234, 374620, 524468, 655585, 917819, 1311170, 1835638, 2622340, 3671276, 4589095, 9178190, 18356380]

約数ペア:

[(1, 18356380), (2, 9178190), (4, 4589095), (5, 3671276), (7, 2622340), (10, 1835638), (14, 1311170), (20, 917819), (28, 655585), (35, 524468), (49, 374620), (70, 262234), (98, 187310), (140, 131117), (196, 93655), (245, 74924), (490, 37462), (980, 18731)]