19868328

素因数分解:

$2^3\times 3^4\times {\mathrm{30661}}^1$

素因数の和:30679

約数の個数: 40

約数和(自身を含む): 55651530

約数和(自身を除く): 35783202

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30661, 61322, 91983, 122644, 183966, 245288, 275949, 367932, 551898, 735864, 827847, 1103796, 1655694, 2207592, 2483541, 3311388, 4967082, 6622776, 9934164, 19868328]

約数ペア:

[(1, 19868328), (2, 9934164), (3, 6622776), (4, 4967082), (6, 3311388), (8, 2483541), (9, 2207592), (12, 1655694), (18, 1103796), (24, 827847), (27, 735864), (36, 551898), (54, 367932), (72, 275949), (81, 245288), (108, 183966), (162, 122644), (216, 91983), (324, 61322), (648, 30661)]