18539984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37379}}^1$

素因数の和:37418

約数の個数: 20

約数和(自身を含む): 37080960

約数和(自身を除く): 18540976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 37379, 74758, 149516, 299032, 598064, 1158749, 2317498, 4634996, 9269992, 18539984]

約数ペア:

[(1, 18539984), (2, 9269992), (4, 4634996), (8, 2317498), (16, 1158749), (31, 598064), (62, 299032), (124, 149516), (248, 74758), (496, 37379)]