19619943

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 31872000

約数和(自身を除く): 12252057

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 829, 1029, 1127, 2487, 3381, 5803, 7889, 17409, 19067, 23667, 40621, 57201, 121863, 133469, 284347, 400407, 853041, 934283, 2802849, 6539981, 19619943]

約数ペア:

[(1, 19619943), (3, 6539981), (7, 2802849), (21, 934283), (23, 853041), (49, 400407), (69, 284347), (147, 133469), (161, 121863), (343, 57201), (483, 40621), (829, 23667), (1029, 19067), (1127, 17409), (2487, 7889), (3381, 5803)]