18456830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5381}}^1$

素因数の和:5409

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 20293570

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5381, 10762, 26905, 37667, 53810, 75334, 188335, 263669, 376670, 527338, 1318345, 1845683, 2636690, 3691366, 9228415, 18456830]

約数ペア:

[(1, 18456830), (2, 9228415), (5, 3691366), (7, 2636690), (10, 1845683), (14, 1318345), (35, 527338), (49, 376670), (70, 263669), (98, 188335), (245, 75334), (343, 53810), (490, 37667), (686, 26905), (1715, 10762), (3430, 5381)]