18842816772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{4013}}^1$

素因数の和:4242

約数の個数: 144

約数和(自身を含む): 52365680640

約数和(自身を除く): 33522863868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 127, 156, 158, 234, 237, 254, 316, 381, 468, 474, 508, 711, 762, 948, 1027, 1143, 1422, 1524, 1651, 2054, 2286, 2844, 3081, 3302, 4013, 4108, 4572, 4953, 6162, 6604, 8026, 9243, 9906, 10033, 12039, 12324, 14859, 16052, 18486, 19812, 20066, 24078, 29718, 30099, 36117, 36972, 40132, 48156, 52169, 59436, 60198, 72234, 90297, 104338, 120396, 130429, 144468, 156507, 180594, 208676, 260858, 313014, 317027, 361188, 391287, 469521, 509651, 521716, 626028, 634054, 782574, 939042, 951081, 1019302, 1173861, 1268108, 1528953, 1565148, 1878084, 1902162, 2038604, 2347722, 2853243, 3057906, 3804324, 4121351, 4586859, 4695444, 5706486, 6115812, 6625463, 8242702, 9173718, 11412972, 12364053, 13250926, 16485404, 18347436, 19876389, 24728106, 26501852, 37092159, 39752778, 40262429, 49456212, 59629167, 74184318, 79505556, 80524858, 119258334, 120787287, 148368636, 161049716, 238516668, 241574574, 362361861, 483149148, 523411577, 724723722, 1046823154, 1449447444, 1570234731, 2093646308, 3140469462, 4710704193, 6280938924, 9421408386, 18842816772]

約数ペア:

[(1, 18842816772), (2, 9421408386), (3, 6280938924), (4, 4710704193), (6, 3140469462), (9, 2093646308), (12, 1570234731), (13, 1449447444), (18, 1046823154), (26, 724723722), (36, 523411577), (39, 483149148), (52, 362361861), (78, 241574574), (79, 238516668), (117, 161049716), (127, 148368636), (156, 120787287), (158, 119258334), (234, 80524858), (237, 79505556), (254, 74184318), (316, 59629167), (381, 49456212), (468, 40262429), (474, 39752778), (508, 37092159), (711, 26501852), (762, 24728106), (948, 19876389), (1027, 18347436), (1143, 16485404), (1422, 13250926), (1524, 12364053), (1651, 11412972), (2054, 9173718), (2286, 8242702), (2844, 6625463), (3081, 6115812), (3302, 5706486), (4013, 4695444), (4108, 4586859), (4572, 4121351), (4953, 3804324), (6162, 3057906), (6604, 2853243), (8026, 2347722), (9243, 2038604), (9906, 1902162), (10033, 1878084), (12039, 1565148), (12324, 1528953), (14859, 1268108), (16052, 1173861), (18486, 1019302), (19812, 951081), (20066, 939042), (24078, 782574), (29718, 634054), (30099, 626028), (36117, 521716), (36972, 509651), (40132, 469521), (48156, 391287), (52169, 361188), (59436, 317027), (60198, 313014), (72234, 260858), (90297, 208676), (104338, 180594), (120396, 156507), (130429, 144468)]