18307995

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 11897445

約数列:

[1, 3, 5, 15, 59, 137, 151, 177, 295, 411, 453, 685, 755, 885, 2055, 2265, 8083, 8909, 20687, 24249, 26727, 40415, 44545, 62061, 103435, 121245, 133635, 310305, 1220533, 3661599, 6102665, 18307995]

約数ペア:

[(1, 18307995), (3, 6102665), (5, 3661599), (15, 1220533), (59, 310305), (137, 133635), (151, 121245), (177, 103435), (295, 62061), (411, 44545), (453, 40415), (685, 26727), (755, 24249), (885, 20687), (2055, 8909), (2265, 8083)]