18952875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 36211968

約数和(自身を除く): 17259093

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 991, 1125, 1275, 2125, 2973, 3825, 4955, 6375, 8919, 14865, 16847, 19125, 24775, 44595, 50541, 74325, 84235, 123875, 151623, 222975, 252705, 371625, 421175, 758115, 1114875, 1263525, 2105875, 3790575, 6317625, 18952875]

約数ペア:

[(1, 18952875), (3, 6317625), (5, 3790575), (9, 2105875), (15, 1263525), (17, 1114875), (25, 758115), (45, 421175), (51, 371625), (75, 252705), (85, 222975), (125, 151623), (153, 123875), (225, 84235), (255, 74325), (375, 50541), (425, 44595), (765, 24775), (991, 19125), (1125, 16847), (1275, 14865), (2125, 8919), (2973, 6375), (3825, 4955)]