18438225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{18911}}^1$

素因数の和:18937

約数の個数: 24

約数和(自身を含む): 32831232

約数和(自身を除く): 14393007

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 18911, 56733, 94555, 245843, 283665, 472775, 737529, 1229215, 1418325, 3687645, 6146075, 18438225]

約数ペア:

[(1, 18438225), (3, 6146075), (5, 3687645), (13, 1418325), (15, 1229215), (25, 737529), (39, 472775), (65, 283665), (75, 245843), (195, 94555), (325, 56733), (975, 18911)]