19704468

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 58834944

約数和(自身を除く): 39130476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 47, 49, 62, 69, 84, 92, 93, 94, 98, 124, 138, 141, 147, 161, 186, 188, 196, 217, 276, 282, 294, 322, 329, 372, 434, 483, 564, 588, 644, 651, 658, 713, 868, 966, 987, 1081, 1127, 1302, 1316, 1426, 1457, 1519, 1932, 1974, 2139, 2162, 2254, 2303, 2604, 2852, 2914, 3038, 3243, 3381, 3948, 4278, 4324, 4371, 4508, 4557, 4606, 4991, 5828, 6076, 6486, 6762, 6909, 7567, 8556, 8742, 9114, 9212, 9982, 10199, 12972, 13524, 13818, 14973, 15134, 17484, 18228, 19964, 20398, 22701, 27636, 29946, 30268, 30597, 33511, 34937, 40796, 45402, 52969, 59892, 61194, 67022, 69874, 71393, 90804, 100533, 104811, 105938, 122388, 134044, 139748, 142786, 158907, 201066, 209622, 211876, 214179, 234577, 285572, 317814, 402132, 419244, 428358, 469154, 635628, 703731, 856716, 938308, 1407462, 1642039, 2814924, 3284078, 4926117, 6568156, 9852234, 19704468]

約数ペア:

[(1, 19704468), (2, 9852234), (3, 6568156), (4, 4926117), (6, 3284078), (7, 2814924), (12, 1642039), (14, 1407462), (21, 938308), (23, 856716), (28, 703731), (31, 635628), (42, 469154), (46, 428358), (47, 419244), (49, 402132), (62, 317814), (69, 285572), (84, 234577), (92, 214179), (93, 211876), (94, 209622), (98, 201066), (124, 158907), (138, 142786), (141, 139748), (147, 134044), (161, 122388), (186, 105938), (188, 104811), (196, 100533), (217, 90804), (276, 71393), (282, 69874), (294, 67022), (322, 61194), (329, 59892), (372, 52969), (434, 45402), (483, 40796), (564, 34937), (588, 33511), (644, 30597), (651, 30268), (658, 29946), (713, 27636), (868, 22701), (966, 20398), (987, 19964), (1081, 18228), (1127, 17484), (1302, 15134), (1316, 14973), (1426, 13818), (1457, 13524), (1519, 12972), (1932, 10199), (1974, 9982), (2139, 9212), (2162, 9114), (2254, 8742), (2303, 8556), (2604, 7567), (2852, 6909), (2914, 6762), (3038, 6486), (3243, 6076), (3381, 5828), (3948, 4991), (4278, 4606), (4324, 4557), (4371, 4508)]