19376480

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 46040400

約数和(自身を除く): 26663920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 349, 694, 698, 1388, 1396, 1735, 1745, 2776, 2792, 3470, 3490, 5552, 5584, 6940, 6980, 11104, 11168, 13880, 13960, 27760, 27920, 55520, 55840, 121103, 242206, 484412, 605515, 968824, 1211030, 1937648, 2422060, 3875296, 4844120, 9688240, 19376480]

約数ペア:

[(1, 19376480), (2, 9688240), (4, 4844120), (5, 3875296), (8, 2422060), (10, 1937648), (16, 1211030), (20, 968824), (32, 605515), (40, 484412), (80, 242206), (160, 121103), (347, 55840), (349, 55520), (694, 27920), (698, 27760), (1388, 13960), (1396, 13880), (1735, 11168), (1745, 11104), (2776, 6980), (2792, 6940), (3470, 5584), (3490, 5552)]