19172175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1367}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 36640512

約数和(自身を除く): 17468337

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 1367, 2805, 4101, 4675, 6835, 14025, 15037, 20505, 23239, 34175, 45111, 69717, 75185, 102525, 116195, 225555, 255629, 348585, 375925, 580975, 766887, 1127775, 1278145, 1742925, 3834435, 6390725, 19172175]

約数ペア:

[(1, 19172175), (3, 6390725), (5, 3834435), (11, 1742925), (15, 1278145), (17, 1127775), (25, 766887), (33, 580975), (51, 375925), (55, 348585), (75, 255629), (85, 225555), (165, 116195), (187, 102525), (255, 75185), (275, 69717), (425, 45111), (561, 34175), (825, 23239), (935, 20505), (1275, 15037), (1367, 14025), (2805, 6835), (4101, 4675)]