18336920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 48280320

約数和(自身を除く): 29943400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1523, 1720, 2408, 3010, 3046, 6020, 6092, 7615, 10661, 12040, 12184, 15230, 21322, 30460, 42644, 53305, 60920, 65489, 85288, 106610, 130978, 213220, 261956, 327445, 426440, 458423, 523912, 654890, 916846, 1309780, 1833692, 2292115, 2619560, 3667384, 4584230, 9168460, 18336920]

約数ペア:

[(1, 18336920), (2, 9168460), (4, 4584230), (5, 3667384), (7, 2619560), (8, 2292115), (10, 1833692), (14, 1309780), (20, 916846), (28, 654890), (35, 523912), (40, 458423), (43, 426440), (56, 327445), (70, 261956), (86, 213220), (140, 130978), (172, 106610), (215, 85288), (280, 65489), (301, 60920), (344, 53305), (430, 42644), (602, 30460), (860, 21322), (1204, 15230), (1505, 12184), (1523, 12040), (1720, 10661), (2408, 7615), (3010, 6092), (3046, 6020)]