19776848

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 51163392

約数和(自身を除く): 31386544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 47, 52, 56, 68, 91, 94, 104, 112, 119, 136, 182, 188, 208, 221, 238, 272, 289, 329, 364, 376, 442, 476, 578, 611, 658, 728, 752, 799, 884, 952, 1156, 1222, 1316, 1456, 1547, 1598, 1768, 1904, 2023, 2312, 2444, 2632, 3094, 3196, 3536, 3757, 4046, 4277, 4624, 4888, 5264, 5593, 6188, 6392, 7514, 8092, 8554, 9776, 10387, 11186, 12376, 12784, 13583, 15028, 16184, 17108, 20774, 22372, 24752, 26299, 27166, 30056, 32368, 34216, 41548, 44744, 52598, 54332, 60112, 68432, 72709, 83096, 89488, 95081, 105196, 108664, 145418, 166192, 176579, 190162, 210392, 217328, 290836, 353158, 380324, 420784, 581672, 706316, 760648, 1163344, 1236053, 1412632, 1521296, 2472106, 2825264, 4944212, 9888424, 19776848]

約数ペア:

[(1, 19776848), (2, 9888424), (4, 4944212), (7, 2825264), (8, 2472106), (13, 1521296), (14, 1412632), (16, 1236053), (17, 1163344), (26, 760648), (28, 706316), (34, 581672), (47, 420784), (52, 380324), (56, 353158), (68, 290836), (91, 217328), (94, 210392), (104, 190162), (112, 176579), (119, 166192), (136, 145418), (182, 108664), (188, 105196), (208, 95081), (221, 89488), (238, 83096), (272, 72709), (289, 68432), (329, 60112), (364, 54332), (376, 52598), (442, 44744), (476, 41548), (578, 34216), (611, 32368), (658, 30056), (728, 27166), (752, 26299), (799, 24752), (884, 22372), (952, 20774), (1156, 17108), (1222, 16184), (1316, 15028), (1456, 13583), (1547, 12784), (1598, 12376), (1768, 11186), (1904, 10387), (2023, 9776), (2312, 8554), (2444, 8092), (2632, 7514), (3094, 6392), (3196, 6188), (3536, 5593), (3757, 5264), (4046, 4888), (4277, 4624)]