19525520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:337

約数の個数: 120

約数和(自身を含む): 56105784

約数和(自身を除く): 36580264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 293, 340, 392, 476, 490, 560, 586, 595, 680, 784, 833, 952, 980, 1172, 1190, 1360, 1465, 1666, 1904, 1960, 2051, 2344, 2380, 2930, 3332, 3920, 4102, 4165, 4688, 4760, 4981, 5860, 6664, 8204, 8330, 9520, 9962, 10255, 11720, 13328, 14357, 16408, 16660, 19924, 20510, 23440, 24905, 28714, 32816, 33320, 34867, 39848, 41020, 49810, 57428, 66640, 69734, 71785, 79696, 82040, 99620, 114856, 139468, 143570, 164080, 174335, 199240, 229712, 244069, 278936, 287140, 348670, 398480, 488138, 557872, 574280, 697340, 976276, 1148560, 1220345, 1394680, 1952552, 2440690, 2789360, 3905104, 4881380, 9762760, 19525520]

約数ペア:

[(1, 19525520), (2, 9762760), (4, 4881380), (5, 3905104), (7, 2789360), (8, 2440690), (10, 1952552), (14, 1394680), (16, 1220345), (17, 1148560), (20, 976276), (28, 697340), (34, 574280), (35, 557872), (40, 488138), (49, 398480), (56, 348670), (68, 287140), (70, 278936), (80, 244069), (85, 229712), (98, 199240), (112, 174335), (119, 164080), (136, 143570), (140, 139468), (170, 114856), (196, 99620), (238, 82040), (245, 79696), (272, 71785), (280, 69734), (293, 66640), (340, 57428), (392, 49810), (476, 41020), (490, 39848), (560, 34867), (586, 33320), (595, 32816), (680, 28714), (784, 24905), (833, 23440), (952, 20510), (980, 19924), (1172, 16660), (1190, 16408), (1360, 14357), (1465, 13328), (1666, 11720), (1904, 10255), (1960, 9962), (2051, 9520), (2344, 8330), (2380, 8204), (2930, 6664), (3332, 5860), (3920, 4981), (4102, 4760), (4165, 4688)]