18173792

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 44600976

約数和(自身を除く): 26427184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 79, 91, 104, 112, 158, 182, 208, 224, 316, 364, 416, 553, 632, 728, 1027, 1106, 1264, 1456, 2054, 2212, 2528, 2912, 4108, 4424, 6241, 7189, 8216, 8848, 12482, 14378, 16432, 17696, 24964, 28756, 32864, 43687, 49928, 57512, 81133, 87374, 99856, 115024, 162266, 174748, 199712, 230048, 324532, 349496, 567931, 649064, 698992, 1135862, 1298128, 1397984, 2271724, 2596256, 4543448, 9086896, 18173792]

約数ペア:

[(1, 18173792), (2, 9086896), (4, 4543448), (7, 2596256), (8, 2271724), (13, 1397984), (14, 1298128), (16, 1135862), (26, 698992), (28, 649064), (32, 567931), (52, 349496), (56, 324532), (79, 230048), (91, 199712), (104, 174748), (112, 162266), (158, 115024), (182, 99856), (208, 87374), (224, 81133), (316, 57512), (364, 49928), (416, 43687), (553, 32864), (632, 28756), (728, 24964), (1027, 17696), (1106, 16432), (1264, 14378), (1456, 12482), (2054, 8848), (2212, 8216), (2528, 7189), (2912, 6241), (4108, 4424)]