19540248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 43358952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 23, 24, 26, 28, 39, 42, 46, 52, 56, 69, 78, 84, 91, 92, 104, 138, 156, 161, 168, 182, 184, 273, 276, 299, 312, 322, 364, 389, 483, 546, 552, 598, 644, 728, 778, 897, 966, 1092, 1167, 1196, 1288, 1556, 1794, 1932, 2093, 2184, 2334, 2392, 2723, 3112, 3588, 3864, 4186, 4668, 5057, 5446, 6279, 7176, 8169, 8372, 8947, 9336, 10114, 10892, 12558, 15171, 16338, 16744, 17894, 20228, 21784, 25116, 26841, 30342, 32676, 35399, 35788, 40456, 50232, 53682, 60684, 62629, 65352, 70798, 71576, 106197, 107364, 116311, 121368, 125258, 141596, 187887, 212394, 214728, 232622, 250516, 283192, 348933, 375774, 424788, 465244, 501032, 697866, 751548, 814177, 849576, 930488, 1395732, 1503096, 1628354, 2442531, 2791464, 3256708, 4885062, 6513416, 9770124, 19540248]

約数ペア:

[(1, 19540248), (2, 9770124), (3, 6513416), (4, 4885062), (6, 3256708), (7, 2791464), (8, 2442531), (12, 1628354), (13, 1503096), (14, 1395732), (21, 930488), (23, 849576), (24, 814177), (26, 751548), (28, 697866), (39, 501032), (42, 465244), (46, 424788), (52, 375774), (56, 348933), (69, 283192), (78, 250516), (84, 232622), (91, 214728), (92, 212394), (104, 187887), (138, 141596), (156, 125258), (161, 121368), (168, 116311), (182, 107364), (184, 106197), (273, 71576), (276, 70798), (299, 65352), (312, 62629), (322, 60684), (364, 53682), (389, 50232), (483, 40456), (546, 35788), (552, 35399), (598, 32676), (644, 30342), (728, 26841), (778, 25116), (897, 21784), (966, 20228), (1092, 17894), (1167, 16744), (1196, 16338), (1288, 15171), (1556, 12558), (1794, 10892), (1932, 10114), (2093, 9336), (2184, 8947), (2334, 8372), (2392, 8169), (2723, 7176), (3112, 6279), (3588, 5446), (3864, 5057), (4186, 4668)]