18121270

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{487}}^1$

素因数の和:616

約数の個数: 24

約数和(自身を含む): 33229872

約数和(自身を除く): 15108602

約数列:

[1, 2, 5, 10, 61, 122, 305, 487, 610, 974, 2435, 3721, 4870, 7442, 18605, 29707, 37210, 59414, 148535, 297070, 1812127, 3624254, 9060635, 18121270]

約数ペア:

[(1, 18121270), (2, 9060635), (5, 3624254), (10, 1812127), (61, 297070), (122, 148535), (305, 59414), (487, 37210), (610, 29707), (974, 18605), (2435, 7442), (3721, 4870)]