19702288

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18379}}^1$

素因数の和:18454

約数の個数: 20

約数和(自身を含む): 38745040

約数和(自身を除く): 19042752

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18379, 36758, 73516, 147032, 294064, 1231393, 2462786, 4925572, 9851144, 19702288]

約数ペア:

[(1, 19702288), (2, 9851144), (4, 4925572), (8, 2462786), (16, 1231393), (67, 294064), (134, 147032), (268, 73516), (536, 36758), (1072, 18379)]