19613139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71843}}^1$

素因数の和:71866

約数の個数: 16

約数和(自身を含む): 32186112

約数和(自身を除く): 12572973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 71843, 215529, 502901, 933959, 1508703, 2801877, 6537713, 19613139]

約数ペア:

[(1, 19613139), (3, 6537713), (7, 2801877), (13, 1508703), (21, 933959), (39, 502901), (91, 215529), (273, 71843)]