19497520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:998

約数の個数: 80

約数和(自身を含む): 53264448

約数和(自身を除く): 33766928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 941, 1036, 1295, 1480, 1882, 2072, 2590, 2960, 3764, 4144, 4705, 5180, 6587, 7528, 9410, 10360, 13174, 15056, 18820, 20720, 26348, 32935, 34817, 37640, 52696, 65870, 69634, 75280, 105392, 131740, 139268, 174085, 243719, 263480, 278536, 348170, 487438, 526960, 557072, 696340, 974876, 1218595, 1392680, 1949752, 2437190, 2785360, 3899504, 4874380, 9748760, 19497520]

約数ペア:

[(1, 19497520), (2, 9748760), (4, 4874380), (5, 3899504), (7, 2785360), (8, 2437190), (10, 1949752), (14, 1392680), (16, 1218595), (20, 974876), (28, 696340), (35, 557072), (37, 526960), (40, 487438), (56, 348170), (70, 278536), (74, 263480), (80, 243719), (112, 174085), (140, 139268), (148, 131740), (185, 105392), (259, 75280), (280, 69634), (296, 65870), (370, 52696), (518, 37640), (560, 34817), (592, 32935), (740, 26348), (941, 20720), (1036, 18820), (1295, 15056), (1480, 13174), (1882, 10360), (2072, 9410), (2590, 7528), (2960, 6587), (3764, 5180), (4144, 4705)]