19797072

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 53603712

約数和(自身を除く): 33806640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 71, 74, 111, 142, 148, 157, 213, 222, 284, 296, 314, 426, 444, 471, 568, 592, 628, 852, 888, 942, 1136, 1256, 1704, 1776, 1884, 2512, 2627, 3408, 3768, 5254, 5809, 7536, 7881, 10508, 11147, 11618, 15762, 17427, 21016, 22294, 23236, 31524, 33441, 34854, 42032, 44588, 46472, 63048, 66882, 69708, 89176, 92944, 126096, 133764, 139416, 178352, 267528, 278832, 412439, 535056, 824878, 1237317, 1649756, 2474634, 3299512, 4949268, 6599024, 9898536, 19797072]

約数ペア:

[(1, 19797072), (2, 9898536), (3, 6599024), (4, 4949268), (6, 3299512), (8, 2474634), (12, 1649756), (16, 1237317), (24, 824878), (37, 535056), (48, 412439), (71, 278832), (74, 267528), (111, 178352), (142, 139416), (148, 133764), (157, 126096), (213, 92944), (222, 89176), (284, 69708), (296, 66882), (314, 63048), (426, 46472), (444, 44588), (471, 42032), (568, 34854), (592, 33441), (628, 31524), (852, 23236), (888, 22294), (942, 21016), (1136, 17427), (1256, 15762), (1704, 11618), (1776, 11147), (1884, 10508), (2512, 7881), (2627, 7536), (3408, 5809), (3768, 5254)]