19501125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 128

約数和(自身を含む): 43130880

約数和(自身を除く): 23629755

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 23, 25, 35, 51, 57, 69, 75, 85, 95, 105, 115, 119, 125, 133, 161, 175, 255, 285, 323, 345, 357, 375, 391, 399, 425, 437, 475, 483, 525, 575, 595, 665, 805, 875, 969, 1173, 1275, 1311, 1425, 1615, 1725, 1785, 1955, 1995, 2125, 2185, 2261, 2375, 2415, 2625, 2737, 2875, 2975, 3059, 3325, 4025, 4845, 5865, 6375, 6555, 6783, 7125, 7429, 8075, 8211, 8625, 8925, 9177, 9775, 9975, 10925, 11305, 12075, 13685, 14875, 15295, 16625, 20125, 22287, 24225, 29325, 32775, 33915, 37145, 40375, 41055, 44625, 45885, 48875, 49875, 52003, 54625, 56525, 60375, 68425, 76475, 111435, 121125, 146625, 156009, 163875, 169575, 185725, 205275, 229425, 260015, 282625, 342125, 382375, 557175, 780045, 847875, 928625, 1026375, 1147125, 1300075, 2785875, 3900225, 6500375, 19501125]

約数ペア:

[(1, 19501125), (3, 6500375), (5, 3900225), (7, 2785875), (15, 1300075), (17, 1147125), (19, 1026375), (21, 928625), (23, 847875), (25, 780045), (35, 557175), (51, 382375), (57, 342125), (69, 282625), (75, 260015), (85, 229425), (95, 205275), (105, 185725), (115, 169575), (119, 163875), (125, 156009), (133, 146625), (161, 121125), (175, 111435), (255, 76475), (285, 68425), (323, 60375), (345, 56525), (357, 54625), (375, 52003), (391, 49875), (399, 48875), (425, 45885), (437, 44625), (475, 41055), (483, 40375), (525, 37145), (575, 33915), (595, 32775), (665, 29325), (805, 24225), (875, 22287), (969, 20125), (1173, 16625), (1275, 15295), (1311, 14875), (1425, 13685), (1615, 12075), (1725, 11305), (1785, 10925), (1955, 9975), (1995, 9775), (2125, 9177), (2185, 8925), (2261, 8625), (2375, 8211), (2415, 8075), (2625, 7429), (2737, 7125), (2875, 6783), (2975, 6555), (3059, 6375), (3325, 5865), (4025, 4845)]