18990075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19477}}^1$

素因数の和:19503

約数の個数: 24

約数和(自身を含む): 33813808

約数和(自身を除く): 14823733

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 19477, 58431, 97385, 253201, 292155, 486925, 759603, 1266005, 1460775, 3798015, 6330025, 18990075]

約数ペア:

[(1, 18990075), (3, 6330025), (5, 3798015), (13, 1460775), (15, 1266005), (25, 759603), (39, 486925), (65, 292155), (75, 253201), (195, 97385), (325, 58431), (975, 19477)]