17888481

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 36

約数和(自身を含む): 29499600

約数和(自身を除く): 11611119

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 507, 619, 741, 1521, 1857, 2223, 3211, 5571, 8047, 9633, 11761, 24141, 28899, 35283, 72423, 104611, 105849, 152893, 313833, 458679, 941499, 1376037, 1987609, 5962827, 17888481]

約数ペア:

[(1, 17888481), (3, 5962827), (9, 1987609), (13, 1376037), (19, 941499), (39, 458679), (57, 313833), (117, 152893), (169, 105849), (171, 104611), (247, 72423), (507, 35283), (619, 28899), (741, 24141), (1521, 11761), (1857, 9633), (2223, 8047), (3211, 5571)]