18485685

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 33120000

約数和(自身を除く): 14634315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 919, 1341, 2235, 2757, 4023, 4595, 6705, 8271, 13785, 20115, 24813, 41355, 124065, 136931, 410793, 684655, 1232379, 2053965, 3697137, 6161895, 18485685]

約数ペア:

[(1, 18485685), (3, 6161895), (5, 3697137), (9, 2053965), (15, 1232379), (27, 684655), (45, 410793), (135, 136931), (149, 124065), (447, 41355), (745, 24813), (919, 20115), (1341, 13785), (2235, 8271), (2757, 6705), (4023, 4595)]