18856670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 40875840

約数和(自身を除く): 22019170

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1327, 1421, 2030, 2654, 2842, 6635, 7105, 9289, 13270, 14210, 18578, 38483, 46445, 65023, 76966, 92890, 130046, 192415, 269381, 325115, 384830, 538762, 650230, 1346905, 1885667, 2693810, 3771334, 9428335, 18856670]

約数ペア:

[(1, 18856670), (2, 9428335), (5, 3771334), (7, 2693810), (10, 1885667), (14, 1346905), (29, 650230), (35, 538762), (49, 384830), (58, 325115), (70, 269381), (98, 192415), (145, 130046), (203, 92890), (245, 76966), (290, 65023), (406, 46445), (490, 38483), (1015, 18578), (1327, 14210), (1421, 13270), (2030, 9289), (2654, 7105), (2842, 6635)]