18466890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47351}}^1$

素因数の和:47374

約数の個数: 32

約数和(自身を含む): 47730816

約数和(自身を除く): 29263926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 47351, 94702, 142053, 236755, 284106, 473510, 615563, 710265, 1231126, 1420530, 1846689, 3077815, 3693378, 6155630, 9233445, 18466890]

約数ペア:

[(1, 18466890), (2, 9233445), (3, 6155630), (5, 3693378), (6, 3077815), (10, 1846689), (13, 1420530), (15, 1231126), (26, 710265), (30, 615563), (39, 473510), (65, 284106), (78, 236755), (130, 142053), (195, 94702), (390, 47351)]