19797616

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12251}}^1$

素因数の和:12360

約数の個数: 20

約数和(自身を含む): 38740824

約数和(自身を除く): 18943208

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12251, 24502, 49004, 98008, 196016, 1237351, 2474702, 4949404, 9898808, 19797616]

約数ペア:

[(1, 19797616), (2, 9898808), (4, 4949404), (8, 2474702), (16, 1237351), (101, 196016), (202, 98008), (404, 49004), (808, 24502), (1616, 12251)]