19541835

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 16400565

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 79, 115, 207, 237, 239, 345, 395, 711, 717, 1035, 1185, 1195, 1817, 2151, 3555, 3585, 5451, 5497, 9085, 10755, 16353, 16491, 18881, 27255, 27485, 49473, 56643, 81765, 82455, 94405, 169929, 247365, 283215, 434263, 849645, 1302789, 2171315, 3908367, 6513945, 19541835]

約数ペア:

[(1, 19541835), (3, 6513945), (5, 3908367), (9, 2171315), (15, 1302789), (23, 849645), (45, 434263), (69, 283215), (79, 247365), (115, 169929), (207, 94405), (237, 82455), (239, 81765), (345, 56643), (395, 49473), (711, 27485), (717, 27255), (1035, 18881), (1185, 16491), (1195, 16353), (1817, 10755), (2151, 9085), (3555, 5497), (3585, 5451)]