30911518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73951}}^1$

素因数の和:73983

約数の個数: 16

約数和(自身を含む): 53245440

約数和(自身を除く): 22333922

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 73951, 147902, 813461, 1405069, 1626922, 2810138, 15455759, 30911518]

約数ペア:

[(1, 30911518), (2, 15455759), (11, 2810138), (19, 1626922), (22, 1405069), (38, 813461), (209, 147902), (418, 73951)]