19356543

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 10883457

約数列:

[1, 3, 9, 27, 29, 59, 87, 177, 261, 419, 531, 783, 1257, 1593, 1711, 3771, 5133, 11313, 12151, 15399, 24721, 36453, 46197, 74163, 109359, 222489, 328077, 667467, 716909, 2150727, 6452181, 19356543]

約数ペア:

[(1, 19356543), (3, 6452181), (9, 2150727), (27, 716909), (29, 667467), (59, 328077), (87, 222489), (177, 109359), (261, 74163), (419, 46197), (531, 36453), (783, 24721), (1257, 15399), (1593, 12151), (1711, 11313), (3771, 5133)]