19973902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40433}}^1$

素因数の和:40467

約数の個数: 16

約数和(自身を含む): 33964560

約数和(自身を除く): 13990658

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 40433, 80866, 525629, 768227, 1051258, 1536454, 9986951, 19973902]

約数ペア:

[(1, 19973902), (2, 9986951), (13, 1536454), (19, 1051258), (26, 768227), (38, 525629), (247, 80866), (494, 40433)]