17811872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 20798560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 911, 1222, 1504, 1822, 2444, 3644, 4888, 7288, 9776, 11843, 14576, 19552, 23686, 29152, 42817, 47372, 85634, 94744, 171268, 189488, 342536, 378976, 556621, 685072, 1113242, 1370144, 2226484, 4452968, 8905936, 17811872]

約数ペア:

[(1, 17811872), (2, 8905936), (4, 4452968), (8, 2226484), (13, 1370144), (16, 1113242), (26, 685072), (32, 556621), (47, 378976), (52, 342536), (94, 189488), (104, 171268), (188, 94744), (208, 85634), (376, 47372), (416, 42817), (611, 29152), (752, 23686), (911, 19552), (1222, 14576), (1504, 11843), (1822, 9776), (2444, 7288), (3644, 4888)]