19413811456

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{2687}}^1$

素因数の和:2896

約数の個数: 108

約数和(自身を含む): 42228974592

約数和(自身を除く): 22815163136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 167, 169, 208, 256, 334, 338, 416, 668, 676, 832, 1336, 1352, 1664, 2171, 2672, 2687, 2704, 3328, 4342, 5344, 5374, 5408, 8684, 10688, 10748, 10816, 17368, 21376, 21496, 21632, 28223, 34736, 34931, 42752, 42992, 43264, 56446, 69472, 69862, 85984, 112892, 138944, 139724, 171968, 225784, 277888, 279448, 343936, 448729, 451568, 454103, 555776, 558896, 687872, 897458, 903136, 908206, 1117792, 1794916, 1806272, 1816412, 2235584, 3589832, 3612544, 3632824, 4471168, 5833477, 7179664, 7225088, 7265648, 8942336, 11666954, 14359328, 14531296, 23333908, 28718656, 29062592, 46667816, 57437312, 58125184, 75835201, 93335632, 114874624, 116250368, 151670402, 186671264, 303340804, 373342528, 606681608, 746685056, 1213363216, 1493370112, 2426726432, 4853452864, 9706905728, 19413811456]

約数ペア:

[(1, 19413811456), (2, 9706905728), (4, 4853452864), (8, 2426726432), (13, 1493370112), (16, 1213363216), (26, 746685056), (32, 606681608), (52, 373342528), (64, 303340804), (104, 186671264), (128, 151670402), (167, 116250368), (169, 114874624), (208, 93335632), (256, 75835201), (334, 58125184), (338, 57437312), (416, 46667816), (668, 29062592), (676, 28718656), (832, 23333908), (1336, 14531296), (1352, 14359328), (1664, 11666954), (2171, 8942336), (2672, 7265648), (2687, 7225088), (2704, 7179664), (3328, 5833477), (4342, 4471168), (5344, 3632824), (5374, 3612544), (5408, 3589832), (8684, 2235584), (10688, 1816412), (10748, 1806272), (10816, 1794916), (17368, 1117792), (21376, 908206), (21496, 903136), (21632, 897458), (28223, 687872), (34736, 558896), (34931, 555776), (42752, 454103), (42992, 451568), (43264, 448729), (56446, 343936), (69472, 279448), (69862, 277888), (85984, 225784), (112892, 171968), (138944, 139724)]