19004643

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 33386496

約数和(自身を除く): 14381853

約数列:

[1, 3, 7, 9, 21, 31, 37, 63, 93, 111, 217, 259, 263, 279, 333, 651, 777, 789, 1147, 1841, 1953, 2331, 2367, 3441, 5523, 8029, 8153, 9731, 10323, 16569, 24087, 24459, 29193, 57071, 68117, 72261, 73377, 87579, 171213, 204351, 301661, 513639, 613053, 904983, 2111627, 2714949, 6334881, 19004643]

約数ペア:

[(1, 19004643), (3, 6334881), (7, 2714949), (9, 2111627), (21, 904983), (31, 613053), (37, 513639), (63, 301661), (93, 204351), (111, 171213), (217, 87579), (259, 73377), (263, 72261), (279, 68117), (333, 57071), (651, 29193), (777, 24459), (789, 24087), (1147, 16569), (1841, 10323), (1953, 9731), (2331, 8153), (2367, 8029), (3441, 5523)]