19788045985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{25933}}^1$

素因数の和:26193

約数の個数: 32

約数和(自身を含む): 25812836352

約数和(自身を除く): 6024790367

約数列:

[1, 5, 17, 47, 85, 191, 235, 799, 955, 3247, 3995, 8977, 16235, 25933, 44885, 129665, 152609, 440861, 763045, 1218851, 2204305, 4953203, 6094255, 20720467, 24766015, 84204451, 103602335, 232800541, 421022255, 1164002705, 3957609197, 19788045985]

約数ペア:

[(1, 19788045985), (5, 3957609197), (17, 1164002705), (47, 421022255), (85, 232800541), (191, 103602335), (235, 84204451), (799, 24766015), (955, 20720467), (3247, 6094255), (3995, 4953203), (8977, 2204305), (16235, 1218851), (25933, 763045), (44885, 440861), (129665, 152609)]