18858045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 32182272

約数和(自身を除く): 13324227

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1163, 3243, 3489, 5405, 5815, 16215, 17445, 26749, 54661, 80247, 133745, 163983, 273305, 401235, 819915, 1257203, 3771609, 6286015, 18858045]

約数ペア:

[(1, 18858045), (3, 6286015), (5, 3771609), (15, 1257203), (23, 819915), (47, 401235), (69, 273305), (115, 163983), (141, 133745), (235, 80247), (345, 54661), (705, 26749), (1081, 17445), (1163, 16215), (3243, 5815), (3489, 5405)]