19915238

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6379}}^1$

素因数の和:6611

約数の個数: 16

約数和(自身を含む): 34298880

約数和(自身を除く): 14383642

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 6379, 12758, 44653, 89306, 1422517, 2845034, 9957619, 19915238]

約数ペア:

[(1, 19915238), (2, 9957619), (7, 2845034), (14, 1422517), (223, 89306), (446, 44653), (1561, 12758), (3122, 6379)]