2017819821845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{14578043}}^1$

素因数の和:14578145

約数の個数: 32

約数和(自身を含む): 2687025070080

約数和(自身を除く): 669205248235

約数列:

[1, 5, 19, 31, 47, 95, 155, 235, 589, 893, 1457, 2945, 4465, 7285, 27683, 138415, 14578043, 72890215, 276982817, 451919333, 685168021, 1384914085, 2259596665, 3425840105, 8586467327, 13018192399, 21240208651, 42932336635, 65090961995, 106201043255, 403563964369, 2017819821845]

約数ペア:

[(1, 2017819821845), (5, 403563964369), (19, 106201043255), (31, 65090961995), (47, 42932336635), (95, 21240208651), (155, 13018192399), (235, 8586467327), (589, 3425840105), (893, 2259596665), (1457, 1384914085), (2945, 685168021), (4465, 451919333), (7285, 276982817), (27683, 72890215), (138415, 14578043)]