18849376

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6473}}^1$

素因数の和:6503

約数の個数: 48

約数和(自身を含む): 45680544

約数和(自身を除く): 26831168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6473, 12946, 25892, 45311, 51784, 84149, 90622, 103568, 168298, 181244, 207136, 336596, 362488, 589043, 673192, 724976, 1178086, 1346384, 1449952, 2356172, 2692768, 4712344, 9424688, 18849376]

約数ペア:

[(1, 18849376), (2, 9424688), (4, 4712344), (7, 2692768), (8, 2356172), (13, 1449952), (14, 1346384), (16, 1178086), (26, 724976), (28, 673192), (32, 589043), (52, 362488), (56, 336596), (91, 207136), (104, 181244), (112, 168298), (182, 103568), (208, 90622), (224, 84149), (364, 51784), (416, 45311), (728, 25892), (1456, 12946), (2912, 6473)]