18108015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 12581265

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 719, 1095, 1679, 2157, 3595, 5037, 8395, 10785, 16537, 25185, 49611, 52487, 82685, 157461, 248055, 262435, 787305, 1207201, 3621603, 6036005, 18108015]

約数ペア:

[(1, 18108015), (3, 6036005), (5, 3621603), (15, 1207201), (23, 787305), (69, 262435), (73, 248055), (115, 157461), (219, 82685), (345, 52487), (365, 49611), (719, 25185), (1095, 16537), (1679, 10785), (2157, 8395), (3595, 5037)]