19788527

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 24494400

約数和(自身を除く): 4705873

約数列:

[1, 11, 17, 29, 41, 89, 187, 319, 451, 493, 697, 979, 1189, 1513, 2581, 3649, 5423, 7667, 13079, 16643, 20213, 28391, 40139, 43877, 62033, 105821, 222343, 482647, 682363, 1164031, 1798957, 19788527]

約数ペア:

[(1, 19788527), (11, 1798957), (17, 1164031), (29, 682363), (41, 482647), (89, 222343), (187, 105821), (319, 62033), (451, 43877), (493, 40139), (697, 28391), (979, 20213), (1189, 16643), (1513, 13079), (2581, 7667), (3649, 5423)]