18865392

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 120

約数和(自身を含む): 61152336

約数和(自身を除く): 42286944

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, 617, 624, 637, 728, 784, 1092, 1176, 1234, 1274, 1456, 1851, 1911, 2184, 2352, 2468, 2548, 3702, 3822, 4319, 4368, 4936, 5096, 7404, 7644, 8021, 8638, 9872, 10192, 12957, 14808, 15288, 16042, 17276, 24063, 25914, 29616, 30233, 30576, 32084, 34552, 48126, 51828, 56147, 60466, 64168, 69104, 90699, 96252, 103656, 112294, 120932, 128336, 168441, 181398, 192504, 207312, 224588, 241864, 336882, 362796, 385008, 393029, 449176, 483728, 673764, 725592, 786058, 898352, 1179087, 1347528, 1451184, 1572116, 2358174, 2695056, 3144232, 4716348, 6288464, 9432696, 18865392]

約数ペア:

[(1, 18865392), (2, 9432696), (3, 6288464), (4, 4716348), (6, 3144232), (7, 2695056), (8, 2358174), (12, 1572116), (13, 1451184), (14, 1347528), (16, 1179087), (21, 898352), (24, 786058), (26, 725592), (28, 673764), (39, 483728), (42, 449176), (48, 393029), (49, 385008), (52, 362796), (56, 336882), (78, 241864), (84, 224588), (91, 207312), (98, 192504), (104, 181398), (112, 168441), (147, 128336), (156, 120932), (168, 112294), (182, 103656), (196, 96252), (208, 90699), (273, 69104), (294, 64168), (312, 60466), (336, 56147), (364, 51828), (392, 48126), (546, 34552), (588, 32084), (617, 30576), (624, 30233), (637, 29616), (728, 25914), (784, 24063), (1092, 17276), (1176, 16042), (1234, 15288), (1274, 14808), (1456, 12957), (1851, 10192), (1911, 9872), (2184, 8638), (2352, 8021), (2468, 7644), (2548, 7404), (3702, 5096), (3822, 4936), (4319, 4368)]