18533984

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 42180768

約数和(自身を除く): 23646784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 853, 1358, 1552, 1706, 2716, 3104, 3412, 5432, 5971, 6824, 10864, 11942, 13648, 21728, 23884, 27296, 47768, 82741, 95536, 165482, 191072, 330964, 579187, 661928, 1158374, 1323856, 2316748, 2647712, 4633496, 9266992, 18533984]

約数ペア:

[(1, 18533984), (2, 9266992), (4, 4633496), (7, 2647712), (8, 2316748), (14, 1323856), (16, 1158374), (28, 661928), (32, 579187), (56, 330964), (97, 191072), (112, 165482), (194, 95536), (224, 82741), (388, 47768), (679, 27296), (776, 23884), (853, 21728), (1358, 13648), (1552, 11942), (1706, 10864), (2716, 6824), (3104, 5971), (3412, 5432)]