18891873

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 38054016

約数和(自身を除く): 19162143

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 91, 99, 117, 143, 189, 231, 233, 273, 297, 351, 429, 567, 693, 699, 819, 891, 1001, 1053, 1287, 1631, 2079, 2097, 2457, 2563, 3003, 3029, 3861, 4893, 6237, 6291, 7371, 7689, 9009, 9087, 11583, 14679, 17941, 18873, 21203, 23067, 27027, 27261, 33319, 44037, 53823, 63609, 69201, 81081, 81783, 99957, 132111, 161469, 190827, 207603, 233233, 245349, 299871, 484407, 572481, 699699, 899613, 1453221, 1717443, 2099097, 2698839, 6297291, 18891873]

約数ペア:

[(1, 18891873), (3, 6297291), (7, 2698839), (9, 2099097), (11, 1717443), (13, 1453221), (21, 899613), (27, 699699), (33, 572481), (39, 484407), (63, 299871), (77, 245349), (81, 233233), (91, 207603), (99, 190827), (117, 161469), (143, 132111), (189, 99957), (231, 81783), (233, 81081), (273, 69201), (297, 63609), (351, 53823), (429, 44037), (567, 33319), (693, 27261), (699, 27027), (819, 23067), (891, 21203), (1001, 18873), (1053, 17941), (1287, 14679), (1631, 11583), (2079, 9087), (2097, 9009), (2457, 7689), (2563, 7371), (3003, 6291), (3029, 6237), (3861, 4893)]