18400928

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27321952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 71, 89, 91, 104, 112, 142, 178, 182, 208, 224, 284, 356, 364, 416, 497, 568, 623, 712, 728, 923, 994, 1136, 1157, 1246, 1424, 1456, 1846, 1988, 2272, 2314, 2492, 2848, 2912, 3692, 3976, 4628, 4984, 6319, 6461, 7384, 7952, 8099, 9256, 9968, 12638, 12922, 14768, 15904, 16198, 18512, 19936, 25276, 25844, 29536, 32396, 37024, 44233, 50552, 51688, 64792, 82147, 88466, 101104, 103376, 129584, 164294, 176932, 202208, 206752, 259168, 328588, 353864, 575029, 657176, 707728, 1150058, 1314352, 1415456, 2300116, 2628704, 4600232, 9200464, 18400928]

約数ペア:

[(1, 18400928), (2, 9200464), (4, 4600232), (7, 2628704), (8, 2300116), (13, 1415456), (14, 1314352), (16, 1150058), (26, 707728), (28, 657176), (32, 575029), (52, 353864), (56, 328588), (71, 259168), (89, 206752), (91, 202208), (104, 176932), (112, 164294), (142, 129584), (178, 103376), (182, 101104), (208, 88466), (224, 82147), (284, 64792), (356, 51688), (364, 50552), (416, 44233), (497, 37024), (568, 32396), (623, 29536), (712, 25844), (728, 25276), (923, 19936), (994, 18512), (1136, 16198), (1157, 15904), (1246, 14768), (1424, 12922), (1456, 12638), (1846, 9968), (1988, 9256), (2272, 8099), (2314, 7952), (2492, 7384), (2848, 6461), (2912, 6319), (3692, 4984), (3976, 4628)]