19580330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 25209430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 59, 70, 77, 110, 118, 154, 295, 385, 413, 431, 590, 649, 770, 826, 862, 1298, 2065, 2155, 3017, 3245, 4130, 4310, 4543, 4741, 6034, 6490, 9086, 9482, 15085, 22715, 23705, 25429, 30170, 33187, 45430, 47410, 50858, 66374, 127145, 165935, 178003, 254290, 279719, 331870, 356006, 559438, 890015, 1398595, 1780030, 1958033, 2797190, 3916066, 9790165, 19580330]

約数ペア:

[(1, 19580330), (2, 9790165), (5, 3916066), (7, 2797190), (10, 1958033), (11, 1780030), (14, 1398595), (22, 890015), (35, 559438), (55, 356006), (59, 331870), (70, 279719), (77, 254290), (110, 178003), (118, 165935), (154, 127145), (295, 66374), (385, 50858), (413, 47410), (431, 45430), (590, 33187), (649, 30170), (770, 25429), (826, 23705), (862, 22715), (1298, 15085), (2065, 9482), (2155, 9086), (3017, 6490), (3245, 6034), (4130, 4741), (4310, 4543)]