18217320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 61395840

約数和(自身を除く): 43178520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 373, 407, 440, 444, 555, 660, 740, 746, 814, 888, 1110, 1119, 1221, 1320, 1480, 1492, 1628, 1865, 2035, 2220, 2238, 2442, 2984, 3256, 3730, 4070, 4103, 4440, 4476, 4884, 5595, 6105, 7460, 8140, 8206, 8952, 9768, 11190, 12210, 12309, 13801, 14920, 16280, 16412, 20515, 22380, 24420, 24618, 27602, 32824, 41030, 41403, 44760, 48840, 49236, 55204, 61545, 69005, 82060, 82806, 98472, 110408, 123090, 138010, 151811, 164120, 165612, 207015, 246180, 276020, 303622, 331224, 414030, 455433, 492360, 552040, 607244, 759055, 828060, 910866, 1214488, 1518110, 1656120, 1821732, 2277165, 3036220, 3643464, 4554330, 6072440, 9108660, 18217320]

約数ペア:

[(1, 18217320), (2, 9108660), (3, 6072440), (4, 4554330), (5, 3643464), (6, 3036220), (8, 2277165), (10, 1821732), (11, 1656120), (12, 1518110), (15, 1214488), (20, 910866), (22, 828060), (24, 759055), (30, 607244), (33, 552040), (37, 492360), (40, 455433), (44, 414030), (55, 331224), (60, 303622), (66, 276020), (74, 246180), (88, 207015), (110, 165612), (111, 164120), (120, 151811), (132, 138010), (148, 123090), (165, 110408), (185, 98472), (220, 82806), (222, 82060), (264, 69005), (296, 61545), (330, 55204), (370, 49236), (373, 48840), (407, 44760), (440, 41403), (444, 41030), (555, 32824), (660, 27602), (740, 24618), (746, 24420), (814, 22380), (888, 20515), (1110, 16412), (1119, 16280), (1221, 14920), (1320, 13801), (1480, 12309), (1492, 12210), (1628, 11190), (1865, 9768), (2035, 8952), (2220, 8206), (2238, 8140), (2442, 7460), (2984, 6105), (3256, 5595), (3730, 4884), (4070, 4476), (4103, 4440)]