19789968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 57335616

約数和(自身を除く): 37545648

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 44, 48, 66, 74, 88, 111, 132, 148, 176, 222, 264, 296, 407, 444, 528, 592, 814, 888, 1013, 1221, 1628, 1776, 2026, 2442, 3039, 3256, 4052, 4884, 6078, 6512, 8104, 9768, 11143, 12156, 16208, 19536, 22286, 24312, 33429, 37481, 44572, 48624, 66858, 74962, 89144, 112443, 133716, 149924, 178288, 224886, 267432, 299848, 412291, 449772, 534864, 599696, 824582, 899544, 1236873, 1649164, 1799088, 2473746, 3298328, 4947492, 6596656, 9894984, 19789968]

約数ペア:

[(1, 19789968), (2, 9894984), (3, 6596656), (4, 4947492), (6, 3298328), (8, 2473746), (11, 1799088), (12, 1649164), (16, 1236873), (22, 899544), (24, 824582), (33, 599696), (37, 534864), (44, 449772), (48, 412291), (66, 299848), (74, 267432), (88, 224886), (111, 178288), (132, 149924), (148, 133716), (176, 112443), (222, 89144), (264, 74962), (296, 66858), (407, 48624), (444, 44572), (528, 37481), (592, 33429), (814, 24312), (888, 22286), (1013, 19536), (1221, 16208), (1628, 12156), (1776, 11143), (2026, 9768), (2442, 8104), (3039, 6512), (3256, 6078), (4052, 4884)]