19826300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 47101152

約数和(自身を除く): 27274852

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 130, 151, 202, 260, 302, 325, 404, 505, 604, 650, 755, 1010, 1300, 1313, 1510, 1963, 2020, 2525, 2626, 3020, 3775, 3926, 5050, 5252, 6565, 7550, 7852, 9815, 10100, 13130, 15100, 15251, 19630, 26260, 30502, 32825, 39260, 49075, 61004, 65650, 76255, 98150, 131300, 152510, 196300, 198263, 305020, 381275, 396526, 762550, 793052, 991315, 1525100, 1982630, 3965260, 4956575, 9913150, 19826300]

約数ペア:

[(1, 19826300), (2, 9913150), (4, 4956575), (5, 3965260), (10, 1982630), (13, 1525100), (20, 991315), (25, 793052), (26, 762550), (50, 396526), (52, 381275), (65, 305020), (100, 198263), (101, 196300), (130, 152510), (151, 131300), (202, 98150), (260, 76255), (302, 65650), (325, 61004), (404, 49075), (505, 39260), (604, 32825), (650, 30502), (755, 26260), (1010, 19630), (1300, 15251), (1313, 15100), (1510, 13130), (1963, 10100), (2020, 9815), (2525, 7852), (2626, 7550), (3020, 6565), (3775, 5252), (3926, 5050)]