19960876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1427}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 37784880

約数和(自身を除く): 17824004

約数列:

[1, 2, 4, 13, 26, 52, 269, 538, 1076, 1427, 2854, 3497, 5708, 6994, 13988, 18551, 37102, 74204, 383863, 767726, 1535452, 4990219, 9980438, 19960876]

約数ペア:

[(1, 19960876), (2, 9980438), (4, 4990219), (13, 1535452), (26, 767726), (52, 383863), (269, 74204), (538, 37102), (1076, 18551), (1427, 13988), (2854, 6994), (3497, 5708)]