19410248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 46085760

約数和(自身を除く): 26675512

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 47, 52, 76, 88, 94, 104, 143, 152, 188, 209, 247, 286, 361, 376, 418, 494, 517, 572, 611, 722, 836, 893, 988, 1034, 1144, 1222, 1444, 1672, 1786, 1976, 2068, 2444, 2717, 2888, 3572, 3971, 4136, 4693, 4888, 5434, 6721, 7144, 7942, 9386, 9823, 10868, 11609, 13442, 15884, 16967, 18772, 19646, 21736, 23218, 26884, 31768, 33934, 37544, 39292, 46436, 51623, 53768, 67868, 78584, 92872, 103246, 127699, 135736, 186637, 206492, 220571, 255398, 373274, 412984, 441142, 510796, 746548, 882284, 1021592, 1493096, 1764568, 2426281, 4852562, 9705124, 19410248]

約数ペア:

[(1, 19410248), (2, 9705124), (4, 4852562), (8, 2426281), (11, 1764568), (13, 1493096), (19, 1021592), (22, 882284), (26, 746548), (38, 510796), (44, 441142), (47, 412984), (52, 373274), (76, 255398), (88, 220571), (94, 206492), (104, 186637), (143, 135736), (152, 127699), (188, 103246), (209, 92872), (247, 78584), (286, 67868), (361, 53768), (376, 51623), (418, 46436), (494, 39292), (517, 37544), (572, 33934), (611, 31768), (722, 26884), (836, 23218), (893, 21736), (988, 19646), (1034, 18772), (1144, 16967), (1222, 15884), (1444, 13442), (1672, 11609), (1786, 10868), (1976, 9823), (2068, 9386), (2444, 7942), (2717, 7144), (2888, 6721), (3572, 5434), (3971, 4888), (4136, 4693)]