18636842

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 32914560

約数和(自身を除く): 14277718

約数列:

[1, 2, 7, 14, 61, 122, 139, 157, 278, 314, 427, 854, 973, 1099, 1946, 2198, 8479, 9577, 16958, 19154, 21823, 43646, 59353, 67039, 118706, 134078, 152761, 305522, 1331203, 2662406, 9318421, 18636842]

約数ペア:

[(1, 18636842), (2, 9318421), (7, 2662406), (14, 1331203), (61, 305522), (122, 152761), (139, 134078), (157, 118706), (278, 67039), (314, 59353), (427, 43646), (854, 21823), (973, 19154), (1099, 16958), (1946, 9577), (2198, 8479)]