17977190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 41499648

約数和(自身を除く): 23522458

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 370, 385, 407, 518, 631, 770, 814, 1262, 1295, 2035, 2590, 2849, 3155, 4070, 4417, 5698, 6310, 6941, 8834, 13882, 14245, 22085, 23347, 28490, 34705, 44170, 46694, 48587, 69410, 97174, 116735, 163429, 233470, 242935, 256817, 326858, 485870, 513634, 817145, 1284085, 1634290, 1797719, 2568170, 3595438, 8988595, 17977190]

約数ペア:

[(1, 17977190), (2, 8988595), (5, 3595438), (7, 2568170), (10, 1797719), (11, 1634290), (14, 1284085), (22, 817145), (35, 513634), (37, 485870), (55, 326858), (70, 256817), (74, 242935), (77, 233470), (110, 163429), (154, 116735), (185, 97174), (259, 69410), (370, 48587), (385, 46694), (407, 44170), (518, 34705), (631, 28490), (770, 23347), (814, 22085), (1262, 14245), (1295, 13882), (2035, 8834), (2590, 6941), (2849, 6310), (3155, 5698), (4070, 4417)]