18110205

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 32900400

約数和(自身を除く): 14790195

約数列:

[1, 3, 5, 9, 15, 37, 45, 73, 111, 149, 185, 219, 333, 365, 447, 555, 657, 745, 1095, 1341, 1665, 2235, 2701, 3285, 5513, 6705, 8103, 10877, 13505, 16539, 24309, 27565, 32631, 40515, 49617, 54385, 82695, 97893, 121545, 163155, 248085, 402449, 489465, 1207347, 2012245, 3622041, 6036735, 18110205]

約数ペア:

[(1, 18110205), (3, 6036735), (5, 3622041), (9, 2012245), (15, 1207347), (37, 489465), (45, 402449), (73, 248085), (111, 163155), (149, 121545), (185, 97893), (219, 82695), (333, 54385), (365, 49617), (447, 40515), (555, 32631), (657, 27565), (745, 24309), (1095, 16539), (1341, 13505), (1665, 10877), (2235, 8103), (2701, 6705), (3285, 5513)]