18493875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 35335872

約数和(自身を除く): 16841997

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 967, 1125, 1275, 2125, 2901, 3825, 4835, 6375, 8703, 14505, 16439, 19125, 24175, 43515, 49317, 72525, 82195, 120875, 147951, 217575, 246585, 362625, 410975, 739755, 1087875, 1232925, 2054875, 3698775, 6164625, 18493875]

約数ペア:

[(1, 18493875), (3, 6164625), (5, 3698775), (9, 2054875), (15, 1232925), (17, 1087875), (25, 739755), (45, 410975), (51, 362625), (75, 246585), (85, 217575), (125, 147951), (153, 120875), (225, 82195), (255, 72525), (375, 49317), (425, 43515), (765, 24175), (967, 19125), (1125, 16439), (1275, 14505), (2125, 8703), (2901, 6375), (3825, 4835)]