19851705

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4283}}^1$

素因数の和:4397

約数の個数: 24

約数和(自身を含む): 34751808

約数和(自身を除く): 14900103

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4283, 4635, 12849, 21415, 38547, 64245, 192735, 441149, 1323447, 2205745, 3970341, 6617235, 19851705]

約数ペア:

[(1, 19851705), (3, 6617235), (5, 3970341), (9, 2205745), (15, 1323447), (45, 441149), (103, 192735), (309, 64245), (515, 38547), (927, 21415), (1545, 12849), (4283, 4635)]