19186713

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 37403520

約数和(自身を除く): 18216807

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 137, 171, 189, 247, 273, 351, 399, 411, 513, 567, 741, 819, 959, 1053, 1197, 1233, 1539, 1729, 1781, 2223, 2457, 2603, 2877, 3591, 3699, 5187, 5343, 6669, 7371, 7809, 8631, 10773, 11097, 12467, 15561, 16029, 18221, 20007, 23427, 25893, 33839, 37401, 46683, 48087, 54663, 70281, 77679, 101517, 112203, 140049, 144261, 163989, 210843, 236873, 304551, 336609, 491967, 710619, 913653, 1009827, 1475901, 2131857, 2740959, 6395571, 19186713]

約数ペア:

[(1, 19186713), (3, 6395571), (7, 2740959), (9, 2131857), (13, 1475901), (19, 1009827), (21, 913653), (27, 710619), (39, 491967), (57, 336609), (63, 304551), (81, 236873), (91, 210843), (117, 163989), (133, 144261), (137, 140049), (171, 112203), (189, 101517), (247, 77679), (273, 70281), (351, 54663), (399, 48087), (411, 46683), (513, 37401), (567, 33839), (741, 25893), (819, 23427), (959, 20007), (1053, 18221), (1197, 16029), (1233, 15561), (1539, 12467), (1729, 11097), (1781, 10773), (2223, 8631), (2457, 7809), (2603, 7371), (2877, 6669), (3591, 5343), (3699, 5187)]