19656104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 39879840

約数和(自身を除く): 20223736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 331, 571, 662, 1142, 1324, 2284, 2648, 4303, 4568, 7423, 8606, 14846, 17212, 29692, 34424, 59384, 189001, 378002, 756004, 1512008, 2457013, 4914026, 9828052, 19656104]

約数ペア:

[(1, 19656104), (2, 9828052), (4, 4914026), (8, 2457013), (13, 1512008), (26, 756004), (52, 378002), (104, 189001), (331, 59384), (571, 34424), (662, 29692), (1142, 17212), (1324, 14846), (2284, 8606), (2648, 7423), (4303, 4568)]