19494358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10271}}^1$

素因数の和:10359

約数の個数: 16

約数和(自身を含む): 31925376

約数和(自身を除く): 12431018

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 10271, 20542, 133523, 267046, 749783, 1499566, 9747179, 19494358]

約数ペア:

[(1, 19494358), (2, 9747179), (13, 1499566), (26, 749783), (73, 267046), (146, 133523), (949, 20542), (1898, 10271)]