19987044429

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1327}}^1\times {\mathrm{4519}}^1$

素因数の和:5961

約数の個数: 32

約数和(自身を含む): 29388533760

約数和(自身を除く): 9401489331

約数列:

[1, 3, 11, 33, 101, 303, 1111, 1327, 3333, 3981, 4519, 13557, 14597, 43791, 49709, 134027, 149127, 402081, 456419, 1369257, 1474297, 4422891, 5020609, 5996713, 15061827, 17990139, 65963843, 197891529, 605668013, 1817004039, 6662348143, 19987044429]

約数ペア:

[(1, 19987044429), (3, 6662348143), (11, 1817004039), (33, 605668013), (101, 197891529), (303, 65963843), (1111, 17990139), (1327, 15061827), (3333, 5996713), (3981, 5020609), (4519, 4422891), (13557, 1474297), (14597, 1369257), (43791, 456419), (49709, 402081), (134027, 149127)]