18949508739

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 33546240000

約数和(自身を除く): 14596731261

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 103, 139, 141, 149, 189, 309, 329, 417, 423, 447, 721, 927, 973, 987, 1043, 1251, 1269, 1341, 2163, 2781, 2919, 2961, 3129, 3753, 4023, 4841, 6489, 6533, 7003, 8757, 8883, 9387, 14317, 14523, 15347, 19467, 19599, 20711, 21009, 26271, 28161, 33887, 42951, 43569, 45731, 46041, 49021, 58797, 62133, 63027, 100219, 101661, 107429, 128853, 130707, 137193, 138123, 144977, 147063, 176391, 186399, 189081, 300657, 304983, 322287, 386559, 411579, 414369, 434931, 441189, 559197, 672899, 721309, 901971, 914949, 966861, 973417, 1234737, 1304793, 1323567, 2018697, 2133233, 2163927, 2705913, 2900583, 2920251, 3914379, 4710293, 5049163, 6056091, 6399699, 6491781, 6813919, 8760753, 14130879, 14932631, 15147489, 18168273, 19199097, 19475343, 20441757, 26282259, 42392637, 44797893, 45442467, 57597291, 61325271, 100261951, 127177911, 134393679, 136327401, 183975813, 300785853, 403181037, 701833657, 902357559, 2105500971, 2707072677, 6316502913, 18949508739]

約数ペア:

[(1, 18949508739), (3, 6316502913), (7, 2707072677), (9, 2105500971), (21, 902357559), (27, 701833657), (47, 403181037), (63, 300785853), (103, 183975813), (139, 136327401), (141, 134393679), (149, 127177911), (189, 100261951), (309, 61325271), (329, 57597291), (417, 45442467), (423, 44797893), (447, 42392637), (721, 26282259), (927, 20441757), (973, 19475343), (987, 19199097), (1043, 18168273), (1251, 15147489), (1269, 14932631), (1341, 14130879), (2163, 8760753), (2781, 6813919), (2919, 6491781), (2961, 6399699), (3129, 6056091), (3753, 5049163), (4023, 4710293), (4841, 3914379), (6489, 2920251), (6533, 2900583), (7003, 2705913), (8757, 2163927), (8883, 2133233), (9387, 2018697), (14317, 1323567), (14523, 1304793), (15347, 1234737), (19467, 973417), (19599, 966861), (20711, 914949), (21009, 901971), (26271, 721309), (28161, 672899), (33887, 559197), (42951, 441189), (43569, 434931), (45731, 414369), (46041, 411579), (49021, 386559), (58797, 322287), (62133, 304983), (63027, 300657), (100219, 189081), (101661, 186399), (107429, 176391), (128853, 147063), (130707, 144977), (137193, 138123)]