19221657

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 31799040

約数和(自身を除く): 12577383

約数列:

[1, 3, 7, 13, 21, 39, 91, 181, 273, 389, 543, 1167, 1267, 2353, 2723, 3801, 5057, 7059, 8169, 15171, 16471, 35399, 49413, 70409, 106197, 211227, 492863, 915317, 1478589, 2745951, 6407219, 19221657]

約数ペア:

[(1, 19221657), (3, 6407219), (7, 2745951), (13, 1478589), (21, 915317), (39, 492863), (91, 211227), (181, 106197), (273, 70409), (389, 49413), (543, 35399), (1167, 16471), (1267, 15171), (2353, 8169), (2723, 7059), (3801, 5057)]