19650420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109169}}^1$

素因数の和:109184

約数の個数: 36

約数和(自身を含む): 59606820

約数和(自身を除く): 39956400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109169, 218338, 327507, 436676, 545845, 655014, 982521, 1091690, 1310028, 1637535, 1965042, 2183380, 3275070, 3930084, 4912605, 6550140, 9825210, 19650420]

約数ペア:

[(1, 19650420), (2, 9825210), (3, 6550140), (4, 4912605), (5, 3930084), (6, 3275070), (9, 2183380), (10, 1965042), (12, 1637535), (15, 1310028), (18, 1091690), (20, 982521), (30, 655014), (36, 545845), (45, 436676), (60, 327507), (90, 218338), (180, 109169)]