19216197

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 39137280

約数和(自身を除く): 19921083

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 79, 81, 91, 99, 117, 143, 189, 231, 237, 243, 273, 297, 351, 429, 553, 567, 693, 711, 819, 869, 891, 1001, 1027, 1053, 1287, 1659, 1701, 2079, 2133, 2457, 2607, 2673, 3003, 3081, 3159, 3861, 4977, 6083, 6237, 6399, 7189, 7371, 7821, 9009, 9243, 11297, 11583, 14931, 18249, 18711, 19197, 21567, 22113, 23463, 27027, 27729, 33891, 34749, 44793, 54747, 64701, 70389, 79079, 81081, 83187, 101673, 134379, 164241, 194103, 211167, 237237, 243243, 249561, 305019, 492723, 582309, 711711, 915057, 1478169, 1746927, 2135133, 2745171, 6405399, 19216197]

約数ペア:

[(1, 19216197), (3, 6405399), (7, 2745171), (9, 2135133), (11, 1746927), (13, 1478169), (21, 915057), (27, 711711), (33, 582309), (39, 492723), (63, 305019), (77, 249561), (79, 243243), (81, 237237), (91, 211167), (99, 194103), (117, 164241), (143, 134379), (189, 101673), (231, 83187), (237, 81081), (243, 79079), (273, 70389), (297, 64701), (351, 54747), (429, 44793), (553, 34749), (567, 33891), (693, 27729), (711, 27027), (819, 23463), (869, 22113), (891, 21567), (1001, 19197), (1027, 18711), (1053, 18249), (1287, 14931), (1659, 11583), (1701, 11297), (2079, 9243), (2133, 9009), (2457, 7821), (2607, 7371), (2673, 7189), (3003, 6399), (3081, 6237), (3159, 6083), (3861, 4977)]