19747650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 57183840

約数和(自身を除く): 37436190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 41, 50, 57, 65, 75, 78, 82, 95, 114, 123, 130, 150, 169, 190, 195, 205, 246, 247, 285, 325, 338, 390, 410, 475, 494, 507, 533, 570, 615, 650, 741, 779, 845, 950, 975, 1014, 1025, 1066, 1230, 1235, 1425, 1482, 1558, 1599, 1690, 1950, 2050, 2337, 2470, 2535, 2665, 2850, 3075, 3198, 3211, 3705, 3895, 4225, 4674, 5070, 5330, 6150, 6175, 6422, 6929, 7410, 7790, 7995, 8450, 9633, 10127, 11685, 12350, 12675, 13325, 13858, 15990, 16055, 18525, 19266, 19475, 20254, 20787, 23370, 25350, 26650, 30381, 32110, 34645, 37050, 38950, 39975, 41574, 48165, 50635, 58425, 60762, 69290, 79950, 80275, 96330, 101270, 103935, 116850, 131651, 151905, 160550, 173225, 207870, 240825, 253175, 263302, 303810, 346450, 394953, 481650, 506350, 519675, 658255, 759525, 789906, 1039350, 1316510, 1519050, 1974765, 3291275, 3949530, 6582550, 9873825, 19747650]

約数ペア:

[(1, 19747650), (2, 9873825), (3, 6582550), (5, 3949530), (6, 3291275), (10, 1974765), (13, 1519050), (15, 1316510), (19, 1039350), (25, 789906), (26, 759525), (30, 658255), (38, 519675), (39, 506350), (41, 481650), (50, 394953), (57, 346450), (65, 303810), (75, 263302), (78, 253175), (82, 240825), (95, 207870), (114, 173225), (123, 160550), (130, 151905), (150, 131651), (169, 116850), (190, 103935), (195, 101270), (205, 96330), (246, 80275), (247, 79950), (285, 69290), (325, 60762), (338, 58425), (390, 50635), (410, 48165), (475, 41574), (494, 39975), (507, 38950), (533, 37050), (570, 34645), (615, 32110), (650, 30381), (741, 26650), (779, 25350), (845, 23370), (950, 20787), (975, 20254), (1014, 19475), (1025, 19266), (1066, 18525), (1230, 16055), (1235, 15990), (1425, 13858), (1482, 13325), (1558, 12675), (1599, 12350), (1690, 11685), (1950, 10127), (2050, 9633), (2337, 8450), (2470, 7995), (2535, 7790), (2665, 7410), (2850, 6929), (3075, 6422), (3198, 6175), (3211, 6150), (3705, 5330), (3895, 5070), (4225, 4674)]