19403722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1307}}^1$

素因数の和:1893

約数の個数: 16

約数和(自身を含む): 31423392

約数和(自身を除く): 12019670

約数列:

[1, 2, 13, 26, 571, 1142, 1307, 2614, 7423, 14846, 16991, 33982, 746297, 1492594, 9701861, 19403722]

約数ペア:

[(1, 19403722), (2, 9701861), (13, 1492594), (26, 746297), (571, 33982), (1142, 16991), (1307, 14846), (2614, 7423)]