19950112

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 53125632

約数和(自身を除く): 33175520

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 32, 34, 52, 56, 62, 68, 91, 104, 112, 119, 124, 136, 169, 182, 208, 217, 221, 224, 238, 248, 272, 338, 364, 403, 416, 434, 442, 476, 496, 527, 544, 676, 728, 806, 868, 884, 952, 992, 1054, 1183, 1352, 1456, 1547, 1612, 1736, 1768, 1904, 2108, 2366, 2704, 2821, 2873, 2912, 3094, 3224, 3472, 3536, 3689, 3808, 4216, 4732, 5239, 5408, 5642, 5746, 6188, 6448, 6851, 6944, 7072, 7378, 8432, 9464, 10478, 11284, 11492, 12376, 12896, 13702, 14756, 16864, 18928, 20111, 20956, 22568, 22984, 24752, 27404, 29512, 36673, 37856, 40222, 41912, 45136, 45968, 47957, 49504, 54808, 59024, 73346, 80444, 83824, 89063, 90272, 91936, 95914, 109616, 118048, 146692, 160888, 167648, 178126, 191828, 219232, 293384, 321776, 356252, 383656, 586768, 623441, 643552, 712504, 767312, 1173536, 1246882, 1425008, 1534624, 2493764, 2850016, 4987528, 9975056, 19950112]

約数ペア:

[(1, 19950112), (2, 9975056), (4, 4987528), (7, 2850016), (8, 2493764), (13, 1534624), (14, 1425008), (16, 1246882), (17, 1173536), (26, 767312), (28, 712504), (31, 643552), (32, 623441), (34, 586768), (52, 383656), (56, 356252), (62, 321776), (68, 293384), (91, 219232), (104, 191828), (112, 178126), (119, 167648), (124, 160888), (136, 146692), (169, 118048), (182, 109616), (208, 95914), (217, 91936), (221, 90272), (224, 89063), (238, 83824), (248, 80444), (272, 73346), (338, 59024), (364, 54808), (403, 49504), (416, 47957), (434, 45968), (442, 45136), (476, 41912), (496, 40222), (527, 37856), (544, 36673), (676, 29512), (728, 27404), (806, 24752), (868, 22984), (884, 22568), (952, 20956), (992, 20111), (1054, 18928), (1183, 16864), (1352, 14756), (1456, 13702), (1547, 12896), (1612, 12376), (1736, 11492), (1768, 11284), (1904, 10478), (2108, 9464), (2366, 8432), (2704, 7378), (2821, 7072), (2873, 6944), (2912, 6851), (3094, 6448), (3224, 6188), (3472, 5746), (3536, 5642), (3689, 5408), (3808, 5239), (4216, 4732)]