18543756

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 56996352

約数和(自身を除く): 38452596

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 47, 49, 61, 66, 77, 84, 94, 98, 122, 132, 141, 147, 154, 183, 188, 196, 231, 244, 282, 294, 308, 329, 366, 427, 462, 517, 539, 564, 588, 658, 671, 732, 854, 924, 987, 1034, 1078, 1281, 1316, 1342, 1551, 1617, 1708, 1974, 2013, 2068, 2156, 2303, 2562, 2684, 2867, 2989, 3102, 3234, 3619, 3948, 4026, 4606, 4697, 5124, 5734, 5978, 6204, 6468, 6909, 7238, 8052, 8601, 8967, 9212, 9394, 10857, 11468, 11956, 13818, 14091, 14476, 17202, 17934, 18788, 20069, 21714, 25333, 27636, 28182, 31537, 32879, 34404, 35868, 40138, 43428, 50666, 56364, 60207, 63074, 65758, 75999, 80276, 94611, 98637, 101332, 120414, 126148, 131516, 140483, 151998, 189222, 197274, 220759, 240828, 280966, 303996, 378444, 394548, 421449, 441518, 561932, 662277, 842898, 883036, 1324554, 1545313, 1685796, 2649108, 3090626, 4635939, 6181252, 9271878, 18543756]

約数ペア:

[(1, 18543756), (2, 9271878), (3, 6181252), (4, 4635939), (6, 3090626), (7, 2649108), (11, 1685796), (12, 1545313), (14, 1324554), (21, 883036), (22, 842898), (28, 662277), (33, 561932), (42, 441518), (44, 421449), (47, 394548), (49, 378444), (61, 303996), (66, 280966), (77, 240828), (84, 220759), (94, 197274), (98, 189222), (122, 151998), (132, 140483), (141, 131516), (147, 126148), (154, 120414), (183, 101332), (188, 98637), (196, 94611), (231, 80276), (244, 75999), (282, 65758), (294, 63074), (308, 60207), (329, 56364), (366, 50666), (427, 43428), (462, 40138), (517, 35868), (539, 34404), (564, 32879), (588, 31537), (658, 28182), (671, 27636), (732, 25333), (854, 21714), (924, 20069), (987, 18788), (1034, 17934), (1078, 17202), (1281, 14476), (1316, 14091), (1342, 13818), (1551, 11956), (1617, 11468), (1708, 10857), (1974, 9394), (2013, 9212), (2068, 8967), (2156, 8601), (2303, 8052), (2562, 7238), (2684, 6909), (2867, 6468), (2989, 6204), (3102, 5978), (3234, 5734), (3619, 5124), (3948, 4697), (4026, 4606)]