19385325

素因数分解:

$3^5\times 5^2\times {\mathrm{3191}}^1$

素因数の和:3216

約数の個数: 36

約数和(自身を含む): 36018528

約数和(自身を除く): 16633203

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3191, 6075, 9573, 15955, 28719, 47865, 79775, 86157, 143595, 239325, 258471, 430785, 717975, 775413, 1292355, 2153925, 3877065, 6461775, 19385325]

約数ペア:

[(1, 19385325), (3, 6461775), (5, 3877065), (9, 2153925), (15, 1292355), (25, 775413), (27, 717975), (45, 430785), (75, 258471), (81, 239325), (135, 143595), (225, 86157), (243, 79775), (405, 47865), (675, 28719), (1215, 15955), (2025, 9573), (3191, 6075)]