18151407508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:837

約数の個数: 96

約数和(自身を含む): 35688181760

約数和(自身を除く): 17536774252

約数列:

[1, 2, 4, 13, 26, 43, 52, 79, 86, 158, 172, 211, 316, 422, 487, 559, 844, 974, 1027, 1118, 1948, 2054, 2236, 2743, 3397, 4108, 5486, 6331, 6794, 9073, 10972, 12662, 13588, 16669, 18146, 20941, 25324, 33338, 36292, 38473, 41882, 44161, 66676, 76946, 83764, 88322, 102757, 117949, 153892, 176644, 205514, 216697, 235898, 272233, 411028, 433394, 471796, 500149, 544466, 716767, 866788, 1000298, 1088932, 1335841, 1433534, 1654339, 2000596, 2671682, 2867068, 3308678, 4418551, 5343364, 6617356, 8117803, 8837102, 9317971, 16235606, 17674204, 18635942, 21506407, 32471212, 37271884, 43012814, 57441163, 86025628, 105531439, 114882326, 211062878, 229764652, 349065529, 422125756, 698131058, 1396262116, 4537851877, 9075703754, 18151407508]

約数ペア:

[(1, 18151407508), (2, 9075703754), (4, 4537851877), (13, 1396262116), (26, 698131058), (43, 422125756), (52, 349065529), (79, 229764652), (86, 211062878), (158, 114882326), (172, 105531439), (211, 86025628), (316, 57441163), (422, 43012814), (487, 37271884), (559, 32471212), (844, 21506407), (974, 18635942), (1027, 17674204), (1118, 16235606), (1948, 9317971), (2054, 8837102), (2236, 8117803), (2743, 6617356), (3397, 5343364), (4108, 4418551), (5486, 3308678), (6331, 2867068), (6794, 2671682), (9073, 2000596), (10972, 1654339), (12662, 1433534), (13588, 1335841), (16669, 1088932), (18146, 1000298), (20941, 866788), (25324, 716767), (33338, 544466), (36292, 500149), (38473, 471796), (41882, 433394), (44161, 411028), (66676, 272233), (76946, 235898), (83764, 216697), (88322, 205514), (102757, 176644), (117949, 153892)]