19745090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32369}}^1$

素因数の和:32437

約数の個数: 16

約数和(自身を含む): 36124920

約数和(自身を除く): 16379830

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 32369, 64738, 161845, 323690, 1974509, 3949018, 9872545, 19745090]

約数ペア:

[(1, 19745090), (2, 9872545), (5, 3949018), (10, 1974509), (61, 323690), (122, 161845), (305, 64738), (610, 32369)]