18814432

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 108

約数和(自身を含む): 47315016

約数和(自身を除く): 28500584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 71, 91, 98, 104, 112, 142, 169, 182, 196, 208, 224, 284, 338, 364, 392, 416, 497, 568, 637, 676, 728, 784, 923, 994, 1136, 1183, 1274, 1352, 1456, 1568, 1846, 1988, 2272, 2366, 2548, 2704, 2912, 3479, 3692, 3976, 4732, 5096, 5408, 6461, 6958, 7384, 7952, 8281, 9464, 10192, 11999, 12922, 13916, 14768, 15904, 16562, 18928, 20384, 23998, 25844, 27832, 29536, 33124, 37856, 45227, 47996, 51688, 55664, 66248, 83993, 90454, 95992, 103376, 111328, 132496, 167986, 180908, 191984, 206752, 264992, 335972, 361816, 383968, 587951, 671944, 723632, 1175902, 1343888, 1447264, 2351804, 2687776, 4703608, 9407216, 18814432]

約数ペア:

[(1, 18814432), (2, 9407216), (4, 4703608), (7, 2687776), (8, 2351804), (13, 1447264), (14, 1343888), (16, 1175902), (26, 723632), (28, 671944), (32, 587951), (49, 383968), (52, 361816), (56, 335972), (71, 264992), (91, 206752), (98, 191984), (104, 180908), (112, 167986), (142, 132496), (169, 111328), (182, 103376), (196, 95992), (208, 90454), (224, 83993), (284, 66248), (338, 55664), (364, 51688), (392, 47996), (416, 45227), (497, 37856), (568, 33124), (637, 29536), (676, 27832), (728, 25844), (784, 23998), (923, 20384), (994, 18928), (1136, 16562), (1183, 15904), (1274, 14768), (1352, 13916), (1456, 12922), (1568, 11999), (1846, 10192), (1988, 9464), (2272, 8281), (2366, 7952), (2548, 7384), (2704, 6958), (2912, 6461), (3479, 5408), (3692, 5096), (3976, 4732)]