18618795

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^2$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 35995680

約数和(自身を除く): 17376885

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 103, 117, 135, 195, 309, 351, 515, 585, 927, 1339, 1545, 1755, 2781, 4017, 4635, 6695, 10609, 12051, 13905, 20085, 31827, 36153, 53045, 60255, 95481, 137917, 159135, 180765, 286443, 413751, 477405, 689585, 1241253, 1432215, 2068755, 3723759, 6206265, 18618795]

約数ペア:

[(1, 18618795), (3, 6206265), (5, 3723759), (9, 2068755), (13, 1432215), (15, 1241253), (27, 689585), (39, 477405), (45, 413751), (65, 286443), (103, 180765), (117, 159135), (135, 137917), (195, 95481), (309, 60255), (351, 53045), (515, 36153), (585, 31827), (927, 20085), (1339, 13905), (1545, 12051), (1755, 10609), (2781, 6695), (4017, 4635)]