18340210

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5347}}^1$

素因数の和:5375

約数の個数: 32

約数和(自身を含む): 38505600

約数和(自身を除く): 20165390

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5347, 10694, 26735, 37429, 53470, 74858, 187145, 262003, 374290, 524006, 1310015, 1834021, 2620030, 3668042, 9170105, 18340210]

約数ペア:

[(1, 18340210), (2, 9170105), (5, 3668042), (7, 2620030), (10, 1834021), (14, 1310015), (35, 524006), (49, 374290), (70, 262003), (98, 187145), (245, 74858), (343, 53470), (490, 37429), (686, 26735), (1715, 10694), (3430, 5347)]