19762860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1949}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 59950800

約数和(自身を除く): 40187940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1949, 2028, 2535, 3380, 3898, 5070, 5847, 7796, 9745, 10140, 11694, 19490, 23388, 25337, 29235, 38980, 50674, 58470, 76011, 101348, 116940, 126685, 152022, 253370, 304044, 329381, 380055, 506740, 658762, 760110, 988143, 1317524, 1520220, 1646905, 1976286, 3293810, 3952572, 4940715, 6587620, 9881430, 19762860]

約数ペア:

[(1, 19762860), (2, 9881430), (3, 6587620), (4, 4940715), (5, 3952572), (6, 3293810), (10, 1976286), (12, 1646905), (13, 1520220), (15, 1317524), (20, 988143), (26, 760110), (30, 658762), (39, 506740), (52, 380055), (60, 329381), (65, 304044), (78, 253370), (130, 152022), (156, 126685), (169, 116940), (195, 101348), (260, 76011), (338, 58470), (390, 50674), (507, 38980), (676, 29235), (780, 25337), (845, 23388), (1014, 19490), (1690, 11694), (1949, 10140), (2028, 9745), (2535, 7796), (3380, 5847), (3898, 5070)]