18642135

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 13037865

約数列:

[1, 3, 5, 15, 19, 57, 95, 149, 285, 439, 447, 745, 1317, 2195, 2235, 2831, 6585, 8341, 8493, 14155, 25023, 41705, 42465, 65411, 125115, 196233, 327055, 981165, 1242809, 3728427, 6214045, 18642135]

約数ペア:

[(1, 18642135), (3, 6214045), (5, 3728427), (15, 1242809), (19, 981165), (57, 327055), (95, 196233), (149, 125115), (285, 65411), (439, 42465), (447, 41705), (745, 25023), (1317, 14155), (2195, 8493), (2235, 8341), (2831, 6585)]