18890325

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1423}}^1$

素因数の和:1498

約数の個数: 36

約数和(自身を含む): 34432320

約数和(自身を除く): 15541995

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 1423, 1475, 2655, 4269, 4425, 7115, 12807, 13275, 21345, 35575, 64035, 83957, 106725, 251871, 320175, 419785, 755613, 1259355, 2098925, 3778065, 6296775, 18890325]

約数ペア:

[(1, 18890325), (3, 6296775), (5, 3778065), (9, 2098925), (15, 1259355), (25, 755613), (45, 419785), (59, 320175), (75, 251871), (177, 106725), (225, 83957), (295, 64035), (531, 35575), (885, 21345), (1423, 13275), (1475, 12807), (2655, 7115), (4269, 4425)]