18070325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 28331520

約数和(自身を除く): 10261195

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 169, 175, 235, 325, 329, 455, 611, 845, 1175, 1183, 1645, 2197, 2275, 3055, 4225, 4277, 5915, 7943, 8225, 10985, 15275, 15379, 21385, 29575, 39715, 54925, 55601, 76895, 103259, 106925, 198575, 278005, 384475, 516295, 722813, 1390025, 2581475, 3614065, 18070325]

約数ペア:

[(1, 18070325), (5, 3614065), (7, 2581475), (13, 1390025), (25, 722813), (35, 516295), (47, 384475), (65, 278005), (91, 198575), (169, 106925), (175, 103259), (235, 76895), (325, 55601), (329, 54925), (455, 39715), (611, 29575), (845, 21385), (1175, 15379), (1183, 15275), (1645, 10985), (2197, 8225), (2275, 7943), (3055, 5915), (4225, 4277)]