19408942

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 34637760

約数和(自身を除く): 15228818

約数列:

[1, 2, 7, 14, 37, 74, 89, 178, 259, 421, 518, 623, 842, 1246, 2947, 3293, 5894, 6586, 15577, 23051, 31154, 37469, 46102, 74938, 109039, 218078, 262283, 524566, 1386353, 2772706, 9704471, 19408942]

約数ペア:

[(1, 19408942), (2, 9704471), (7, 2772706), (14, 1386353), (37, 524566), (74, 262283), (89, 218078), (178, 109039), (259, 74938), (421, 46102), (518, 37469), (623, 31154), (842, 23051), (1246, 15577), (2947, 6586), (3293, 5894)]