19139778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{151903}}^1$

素因数の和:151918

約数の個数: 24

約数和(自身を含む): 47394048

約数和(自身を除く): 28254270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 151903, 303806, 455709, 911418, 1063321, 1367127, 2126642, 2734254, 3189963, 6379926, 9569889, 19139778]

約数ペア:

[(1, 19139778), (2, 9569889), (3, 6379926), (6, 3189963), (7, 2734254), (9, 2126642), (14, 1367127), (18, 1063321), (21, 911418), (42, 455709), (63, 303806), (126, 151903)]