19001409

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 30723840

約数和(自身を除く): 11722431

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 761, 861, 1189, 2283, 3567, 5327, 8323, 15981, 22069, 24969, 31201, 66207, 93603, 154483, 218407, 463449, 655221, 904829, 2714487, 6333803, 19001409]

約数ペア:

[(1, 19001409), (3, 6333803), (7, 2714487), (21, 904829), (29, 655221), (41, 463449), (87, 218407), (123, 154483), (203, 93603), (287, 66207), (609, 31201), (761, 24969), (861, 22069), (1189, 15981), (2283, 8323), (3567, 5327)]