1818959968

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1705

約数の個数: 144

約数和(自身を含む): 4489841664

約数和(自身を除く): 2670881696

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 49, 56, 62, 92, 98, 112, 124, 161, 184, 196, 217, 224, 248, 322, 368, 392, 434, 496, 644, 713, 736, 784, 868, 992, 1127, 1288, 1426, 1519, 1568, 1627, 1736, 2254, 2576, 2852, 3038, 3254, 3472, 4508, 4991, 5152, 5704, 6076, 6508, 6944, 9016, 9982, 11389, 11408, 12152, 13016, 18032, 19964, 22778, 22816, 24304, 26032, 34937, 36064, 37421, 39928, 45556, 48608, 50437, 52064, 69874, 74842, 79723, 79856, 91112, 100874, 139748, 149684, 159446, 159712, 182224, 201748, 261947, 279496, 299368, 318892, 353059, 364448, 403496, 523894, 558992, 598736, 637784, 706118, 806992, 1047788, 1117984, 1160051, 1197472, 1275568, 1412236, 1613984, 1833629, 2095576, 2320102, 2471413, 2551136, 2824472, 3667258, 4191152, 4640204, 4942826, 5648944, 7334516, 8120357, 8382304, 9280408, 9885652, 11297888, 14669032, 16240714, 18560816, 19771304, 29338064, 32481428, 37121632, 39542608, 56842499, 58676128, 64962856, 79085216, 113684998, 129925712, 227369996, 259851424, 454739992, 909479984, 1818959968]

約数ペア:

[(1, 1818959968), (2, 909479984), (4, 454739992), (7, 259851424), (8, 227369996), (14, 129925712), (16, 113684998), (23, 79085216), (28, 64962856), (31, 58676128), (32, 56842499), (46, 39542608), (49, 37121632), (56, 32481428), (62, 29338064), (92, 19771304), (98, 18560816), (112, 16240714), (124, 14669032), (161, 11297888), (184, 9885652), (196, 9280408), (217, 8382304), (224, 8120357), (248, 7334516), (322, 5648944), (368, 4942826), (392, 4640204), (434, 4191152), (496, 3667258), (644, 2824472), (713, 2551136), (736, 2471413), (784, 2320102), (868, 2095576), (992, 1833629), (1127, 1613984), (1288, 1412236), (1426, 1275568), (1519, 1197472), (1568, 1160051), (1627, 1117984), (1736, 1047788), (2254, 806992), (2576, 706118), (2852, 637784), (3038, 598736), (3254, 558992), (3472, 523894), (4508, 403496), (4991, 364448), (5152, 353059), (5704, 318892), (6076, 299368), (6508, 279496), (6944, 261947), (9016, 201748), (9982, 182224), (11389, 159712), (11408, 159446), (12152, 149684), (13016, 139748), (18032, 100874), (19964, 91112), (22778, 79856), (22816, 79723), (24304, 74842), (26032, 69874), (34937, 52064), (36064, 50437), (37421, 48608), (39928, 45556)]