18271696

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:359

約数の個数: 40

約数和(自身を含む): 36541064

約数和(自身を除く): 18269368

約数列:

[1, 2, 4, 8, 16, 61, 97, 122, 193, 194, 244, 386, 388, 488, 772, 776, 976, 1544, 1552, 3088, 5917, 11773, 11834, 18721, 23546, 23668, 37442, 47092, 47336, 74884, 94184, 94672, 149768, 188368, 299536, 1141981, 2283962, 4567924, 9135848, 18271696]

約数ペア:

[(1, 18271696), (2, 9135848), (4, 4567924), (8, 2283962), (16, 1141981), (61, 299536), (97, 188368), (122, 149768), (193, 94672), (194, 94184), (244, 74884), (386, 47336), (388, 47092), (488, 37442), (772, 23668), (776, 23546), (976, 18721), (1544, 11834), (1552, 11773), (3088, 5917)]