18662055

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 30910464

約数和(自身を除く): 12248409

約数列:

[1, 3, 5, 15, 47, 103, 141, 235, 257, 309, 515, 705, 771, 1285, 1545, 3855, 4841, 12079, 14523, 24205, 26471, 36237, 60395, 72615, 79413, 132355, 181185, 397065, 1244137, 3732411, 6220685, 18662055]

約数ペア:

[(1, 18662055), (3, 6220685), (5, 3732411), (15, 1244137), (47, 397065), (103, 181185), (141, 132355), (235, 79413), (257, 72615), (309, 60395), (515, 36237), (705, 26471), (771, 24205), (1285, 14523), (1545, 12079), (3855, 4841)]