19992735

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9067}}^1$

素因数の和:9092

約数の個数: 36

約数和(自身を含む): 40316328

約数和(自身を除く): 20323593

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9067, 27201, 45335, 63469, 81603, 136005, 190407, 317345, 408015, 444283, 571221, 952035, 1332849, 2221415, 2856105, 3998547, 6664245, 19992735]

約数ペア:

[(1, 19992735), (3, 6664245), (5, 3998547), (7, 2856105), (9, 2221415), (15, 1332849), (21, 952035), (35, 571221), (45, 444283), (49, 408015), (63, 317345), (105, 190407), (147, 136005), (245, 81603), (315, 63469), (441, 45335), (735, 27201), (2205, 9067)]