18527850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 57451680

約数和(自身を除く): 38923830

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 25, 30, 33, 38, 45, 50, 55, 57, 66, 75, 90, 95, 99, 110, 114, 150, 165, 171, 190, 197, 198, 209, 225, 275, 285, 330, 342, 394, 418, 450, 475, 495, 550, 570, 591, 627, 825, 855, 950, 985, 990, 1045, 1182, 1254, 1425, 1650, 1710, 1773, 1881, 1970, 2090, 2167, 2475, 2850, 2955, 3135, 3546, 3743, 3762, 4275, 4334, 4925, 4950, 5225, 5910, 6270, 6501, 7486, 8550, 8865, 9405, 9850, 10450, 10835, 11229, 13002, 14775, 15675, 17730, 18715, 18810, 19503, 21670, 22458, 29550, 31350, 32505, 33687, 37430, 39006, 41173, 44325, 47025, 54175, 56145, 65010, 67374, 82346, 88650, 93575, 94050, 97515, 108350, 112290, 123519, 162525, 168435, 187150, 195030, 205865, 247038, 280725, 325050, 336870, 370557, 411730, 487575, 561450, 617595, 741114, 842175, 975150, 1029325, 1235190, 1684350, 1852785, 2058650, 3087975, 3705570, 6175950, 9263925, 18527850]

約数ペア:

[(1, 18527850), (2, 9263925), (3, 6175950), (5, 3705570), (6, 3087975), (9, 2058650), (10, 1852785), (11, 1684350), (15, 1235190), (18, 1029325), (19, 975150), (22, 842175), (25, 741114), (30, 617595), (33, 561450), (38, 487575), (45, 411730), (50, 370557), (55, 336870), (57, 325050), (66, 280725), (75, 247038), (90, 205865), (95, 195030), (99, 187150), (110, 168435), (114, 162525), (150, 123519), (165, 112290), (171, 108350), (190, 97515), (197, 94050), (198, 93575), (209, 88650), (225, 82346), (275, 67374), (285, 65010), (330, 56145), (342, 54175), (394, 47025), (418, 44325), (450, 41173), (475, 39006), (495, 37430), (550, 33687), (570, 32505), (591, 31350), (627, 29550), (825, 22458), (855, 21670), (950, 19503), (985, 18810), (990, 18715), (1045, 17730), (1182, 15675), (1254, 14775), (1425, 13002), (1650, 11229), (1710, 10835), (1773, 10450), (1881, 9850), (1970, 9405), (2090, 8865), (2167, 8550), (2475, 7486), (2850, 6501), (2955, 6270), (3135, 5910), (3546, 5225), (3743, 4950), (3762, 4925), (4275, 4334)]