19922490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 61931520

約数和(自身を除く): 42009030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 83, 90, 105, 126, 127, 135, 166, 189, 210, 249, 254, 270, 315, 378, 381, 415, 498, 581, 630, 635, 747, 762, 830, 889, 945, 1143, 1162, 1245, 1270, 1494, 1743, 1778, 1890, 1905, 2241, 2286, 2490, 2667, 2905, 3429, 3486, 3735, 3810, 4445, 4482, 5229, 5334, 5715, 5810, 6858, 7470, 8001, 8715, 8890, 10458, 10541, 11205, 11430, 13335, 15687, 16002, 17145, 17430, 21082, 22410, 24003, 26145, 26670, 31374, 31623, 34290, 40005, 48006, 52290, 52705, 63246, 73787, 78435, 80010, 94869, 105410, 120015, 147574, 156870, 158115, 189738, 221361, 240030, 284607, 316230, 368935, 442722, 474345, 569214, 664083, 737870, 948690, 1106805, 1328166, 1423035, 1992249, 2213610, 2846070, 3320415, 3984498, 6640830, 9961245, 19922490]

約数ペア:

[(1, 19922490), (2, 9961245), (3, 6640830), (5, 3984498), (6, 3320415), (7, 2846070), (9, 2213610), (10, 1992249), (14, 1423035), (15, 1328166), (18, 1106805), (21, 948690), (27, 737870), (30, 664083), (35, 569214), (42, 474345), (45, 442722), (54, 368935), (63, 316230), (70, 284607), (83, 240030), (90, 221361), (105, 189738), (126, 158115), (127, 156870), (135, 147574), (166, 120015), (189, 105410), (210, 94869), (249, 80010), (254, 78435), (270, 73787), (315, 63246), (378, 52705), (381, 52290), (415, 48006), (498, 40005), (581, 34290), (630, 31623), (635, 31374), (747, 26670), (762, 26145), (830, 24003), (889, 22410), (945, 21082), (1143, 17430), (1162, 17145), (1245, 16002), (1270, 15687), (1494, 13335), (1743, 11430), (1778, 11205), (1890, 10541), (1905, 10458), (2241, 8890), (2286, 8715), (2490, 8001), (2667, 7470), (2905, 6858), (3429, 5810), (3486, 5715), (3735, 5334), (3810, 5229), (4445, 4482)]