18321485

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 27508992

約数和(自身を除く): 9187507

約数列:

[1, 5, 7, 13, 35, 65, 67, 91, 335, 455, 469, 601, 871, 2345, 3005, 4207, 4355, 6097, 7813, 21035, 30485, 39065, 40267, 54691, 201335, 273455, 281869, 523471, 1409345, 2617355, 3664297, 18321485]

約数ペア:

[(1, 18321485), (5, 3664297), (7, 2617355), (13, 1409345), (35, 523471), (65, 281869), (67, 273455), (91, 201335), (335, 54691), (455, 40267), (469, 39065), (601, 30485), (871, 21035), (2345, 7813), (3005, 6097), (4207, 4355)]