19994835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 36790272

約数和(自身を除く): 16795437

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191, 573, 955, 997, 1337, 2865, 2991, 4011, 4985, 6685, 6979, 14955, 20055, 20937, 34895, 104685, 190427, 571281, 952135, 1332989, 2856405, 3998967, 6664945, 19994835]

約数ペア:

[(1, 19994835), (3, 6664945), (5, 3998967), (7, 2856405), (15, 1332989), (21, 952135), (35, 571281), (105, 190427), (191, 104685), (573, 34895), (955, 20937), (997, 20055), (1337, 14955), (2865, 6979), (2991, 6685), (4011, 4985)]