18899244

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:677

約数の個数: 120

約数和(自身を含む): 60902688

約数和(自身を除く): 42003444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 641, 702, 756, 819, 1053, 1092, 1134, 1282, 1404, 1638, 1923, 2106, 2268, 2457, 2564, 3276, 3846, 4212, 4487, 4914, 5769, 7371, 7692, 8333, 8974, 9828, 11538, 13461, 14742, 16666, 17307, 17948, 23076, 24999, 26922, 29484, 33332, 34614, 40383, 49998, 51921, 53844, 58331, 69228, 74997, 80766, 99996, 103842, 116662, 121149, 149994, 161532, 174993, 207684, 224991, 233324, 242298, 299988, 349986, 363447, 449982, 484596, 524979, 674973, 699972, 726894, 899964, 1049958, 1349946, 1453788, 1574937, 2099916, 2699892, 3149874, 4724811, 6299748, 9449622, 18899244]

約数ペア:

[(1, 18899244), (2, 9449622), (3, 6299748), (4, 4724811), (6, 3149874), (7, 2699892), (9, 2099916), (12, 1574937), (13, 1453788), (14, 1349946), (18, 1049958), (21, 899964), (26, 726894), (27, 699972), (28, 674973), (36, 524979), (39, 484596), (42, 449982), (52, 363447), (54, 349986), (63, 299988), (78, 242298), (81, 233324), (84, 224991), (91, 207684), (108, 174993), (117, 161532), (126, 149994), (156, 121149), (162, 116662), (182, 103842), (189, 99996), (234, 80766), (252, 74997), (273, 69228), (324, 58331), (351, 53844), (364, 51921), (378, 49998), (468, 40383), (546, 34614), (567, 33332), (641, 29484), (702, 26922), (756, 24999), (819, 23076), (1053, 17948), (1092, 17307), (1134, 16666), (1282, 14742), (1404, 13461), (1638, 11538), (1923, 9828), (2106, 8974), (2268, 8333), (2457, 7692), (2564, 7371), (3276, 5769), (3846, 4914), (4212, 4487)]