19398240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:749

約数の個数: 144

約数和(自身を含む): 69778800

約数和(自身を除く): 50380560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 709, 720, 760, 855, 912, 1140, 1368, 1418, 1440, 1520, 1710, 1824, 2127, 2280, 2736, 2836, 3040, 3420, 3545, 4254, 4560, 5472, 5672, 6381, 6840, 7090, 8508, 9120, 10635, 11344, 12762, 13471, 13680, 14180, 17016, 21270, 22688, 25524, 26942, 27360, 28360, 31905, 34032, 40413, 42540, 51048, 53884, 56720, 63810, 67355, 68064, 80826, 85080, 102096, 107768, 113440, 121239, 127620, 134710, 161652, 170160, 202065, 204192, 215536, 242478, 255240, 269420, 323304, 340320, 404130, 431072, 484956, 510480, 538840, 606195, 646608, 808260, 969912, 1020960, 1077680, 1212390, 1293216, 1616520, 1939824, 2155360, 2424780, 3233040, 3879648, 4849560, 6466080, 9699120, 19398240]

約数ペア:

[(1, 19398240), (2, 9699120), (3, 6466080), (4, 4849560), (5, 3879648), (6, 3233040), (8, 2424780), (9, 2155360), (10, 1939824), (12, 1616520), (15, 1293216), (16, 1212390), (18, 1077680), (19, 1020960), (20, 969912), (24, 808260), (30, 646608), (32, 606195), (36, 538840), (38, 510480), (40, 484956), (45, 431072), (48, 404130), (57, 340320), (60, 323304), (72, 269420), (76, 255240), (80, 242478), (90, 215536), (95, 204192), (96, 202065), (114, 170160), (120, 161652), (144, 134710), (152, 127620), (160, 121239), (171, 113440), (180, 107768), (190, 102096), (228, 85080), (240, 80826), (285, 68064), (288, 67355), (304, 63810), (342, 56720), (360, 53884), (380, 51048), (456, 42540), (480, 40413), (570, 34032), (608, 31905), (684, 28360), (709, 27360), (720, 26942), (760, 25524), (855, 22688), (912, 21270), (1140, 17016), (1368, 14180), (1418, 13680), (1440, 13471), (1520, 12762), (1710, 11344), (1824, 10635), (2127, 9120), (2280, 8508), (2736, 7090), (2836, 6840), (3040, 6381), (3420, 5672), (3545, 5472), (4254, 4560)]