19009890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7823}}^1$

素因数の和:7845

約数の個数: 48

約数和(自身を含む): 51262848

約数和(自身を除く): 32252958

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7823, 15646, 23469, 39115, 46938, 70407, 78230, 117345, 140814, 211221, 234690, 352035, 422442, 633663, 704070, 1056105, 1267326, 1900989, 2112210, 3168315, 3801978, 6336630, 9504945, 19009890]

約数ペア:

[(1, 19009890), (2, 9504945), (3, 6336630), (5, 3801978), (6, 3168315), (9, 2112210), (10, 1900989), (15, 1267326), (18, 1056105), (27, 704070), (30, 633663), (45, 422442), (54, 352035), (81, 234690), (90, 211221), (135, 140814), (162, 117345), (243, 78230), (270, 70407), (405, 46938), (486, 39115), (810, 23469), (1215, 15646), (2430, 7823)]