17980144

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 43872192

約数和(自身を除く): 25892048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 233, 364, 371, 424, 466, 689, 728, 742, 848, 932, 1378, 1456, 1484, 1631, 1864, 2756, 2968, 3029, 3262, 3728, 4823, 5512, 5936, 6058, 6524, 9646, 11024, 12116, 12349, 13048, 19292, 21203, 24232, 24698, 26096, 38584, 42406, 48464, 49396, 77168, 84812, 86443, 98792, 160537, 169624, 172886, 197584, 321074, 339248, 345772, 642148, 691544, 1123759, 1284296, 1383088, 2247518, 2568592, 4495036, 8990072, 17980144]

約数ペア:

[(1, 17980144), (2, 8990072), (4, 4495036), (7, 2568592), (8, 2247518), (13, 1383088), (14, 1284296), (16, 1123759), (26, 691544), (28, 642148), (52, 345772), (53, 339248), (56, 321074), (91, 197584), (104, 172886), (106, 169624), (112, 160537), (182, 98792), (208, 86443), (212, 84812), (233, 77168), (364, 49396), (371, 48464), (424, 42406), (466, 38584), (689, 26096), (728, 24698), (742, 24232), (848, 21203), (932, 19292), (1378, 13048), (1456, 12349), (1484, 12116), (1631, 11024), (1864, 9646), (2756, 6524), (2968, 6058), (3029, 5936), (3262, 5512), (3728, 4823)]