19901634

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 41211456

約数和(自身を除く): 21309822

約数列:

[1, 2, 3, 6, 37, 74, 111, 157, 222, 314, 471, 571, 942, 1142, 1713, 3426, 5809, 11618, 17427, 21127, 34854, 42254, 63381, 89647, 126762, 179294, 268941, 537882, 3316939, 6633878, 9950817, 19901634]

約数ペア:

[(1, 19901634), (2, 9950817), (3, 6633878), (6, 3316939), (37, 537882), (74, 268941), (111, 179294), (157, 126762), (222, 89647), (314, 63381), (471, 42254), (571, 34854), (942, 21127), (1142, 17427), (1713, 11618), (3426, 5809)]