18070509

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3919}}^1$

素因数の和:4004

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 7331091

約数列:

[1, 3, 29, 53, 87, 159, 1537, 3919, 4611, 11757, 113651, 207707, 340953, 623121, 6023503, 18070509]

約数ペア:

[(1, 18070509), (3, 6023503), (29, 623121), (53, 340953), (87, 207707), (159, 113651), (1537, 11757), (3919, 4611)]