18604810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 39907296

約数和(自身を除く): 21302486

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 883, 1505, 1766, 2107, 3010, 4214, 4415, 6181, 8830, 10535, 12362, 21070, 30905, 37969, 43267, 61810, 75938, 86534, 189845, 216335, 265783, 379690, 432670, 531566, 1328915, 1860481, 2657830, 3720962, 9302405, 18604810]

約数ペア:

[(1, 18604810), (2, 9302405), (5, 3720962), (7, 2657830), (10, 1860481), (14, 1328915), (35, 531566), (43, 432670), (49, 379690), (70, 265783), (86, 216335), (98, 189845), (215, 86534), (245, 75938), (301, 61810), (430, 43267), (490, 37969), (602, 30905), (883, 21070), (1505, 12362), (1766, 10535), (2107, 8830), (3010, 6181), (4214, 4415)]