18926544

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:657

約数の個数: 120

約数和(自身を含む): 61350240

約数和(自身を除く): 42423696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 619, 624, 637, 728, 784, 1092, 1176, 1238, 1274, 1456, 1857, 1911, 2184, 2352, 2476, 2548, 3714, 3822, 4333, 4368, 4952, 5096, 7428, 7644, 8047, 8666, 9904, 10192, 12999, 14856, 15288, 16094, 17332, 24141, 25998, 29712, 30331, 30576, 32188, 34664, 48282, 51996, 56329, 60662, 64376, 69328, 90993, 96564, 103992, 112658, 121324, 128752, 168987, 181986, 193128, 207984, 225316, 242648, 337974, 363972, 386256, 394303, 450632, 485296, 675948, 727944, 788606, 901264, 1182909, 1351896, 1455888, 1577212, 2365818, 2703792, 3154424, 4731636, 6308848, 9463272, 18926544]

約数ペア:

[(1, 18926544), (2, 9463272), (3, 6308848), (4, 4731636), (6, 3154424), (7, 2703792), (8, 2365818), (12, 1577212), (13, 1455888), (14, 1351896), (16, 1182909), (21, 901264), (24, 788606), (26, 727944), (28, 675948), (39, 485296), (42, 450632), (48, 394303), (49, 386256), (52, 363972), (56, 337974), (78, 242648), (84, 225316), (91, 207984), (98, 193128), (104, 181986), (112, 168987), (147, 128752), (156, 121324), (168, 112658), (182, 103992), (196, 96564), (208, 90993), (273, 69328), (294, 64376), (312, 60662), (336, 56329), (364, 51996), (392, 48282), (546, 34664), (588, 32188), (619, 30576), (624, 30331), (637, 29712), (728, 25998), (784, 24141), (1092, 17332), (1176, 16094), (1238, 15288), (1274, 14856), (1456, 12999), (1857, 10192), (1911, 9904), (2184, 8666), (2352, 8047), (2476, 7644), (2548, 7428), (3714, 5096), (3822, 4952), (4333, 4368)]