19897638

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 41762304

約数和(自身を除く): 21864666

約数列:

[1, 2, 3, 6, 37, 47, 74, 94, 111, 141, 222, 282, 1739, 1907, 3478, 3814, 5217, 5721, 10434, 11442, 70559, 89629, 141118, 179258, 211677, 268887, 423354, 537774, 3316273, 6632546, 9948819, 19897638]

約数ペア:

[(1, 19897638), (2, 9948819), (3, 6632546), (6, 3316273), (37, 537774), (47, 423354), (74, 268887), (94, 211677), (111, 179258), (141, 141118), (222, 89629), (282, 70559), (1739, 11442), (1907, 10434), (3478, 5721), (3814, 5217)]