19678722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7681}}^1$

素因数の和:7754

約数の個数: 32

約数和(自身を含む): 45723264

約数和(自身を除く): 26044542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7681, 15362, 23043, 46086, 53767, 107534, 161301, 322602, 468541, 937082, 1405623, 2811246, 3279787, 6559574, 9839361, 19678722]

約数ペア:

[(1, 19678722), (2, 9839361), (3, 6559574), (6, 3279787), (7, 2811246), (14, 1405623), (21, 937082), (42, 468541), (61, 322602), (122, 161301), (183, 107534), (366, 53767), (427, 46086), (854, 23043), (1281, 15362), (2562, 7681)]