18883890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{209821}}^1$

素因数の和:209834

約数の個数: 24

約数和(自身を含む): 49098348

約数和(自身を除く): 30214458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 209821, 419642, 629463, 1049105, 1258926, 1888389, 2098210, 3147315, 3776778, 6294630, 9441945, 18883890]

約数ペア:

[(1, 18883890), (2, 9441945), (3, 6294630), (5, 3776778), (6, 3147315), (9, 2098210), (10, 1888389), (15, 1258926), (18, 1049105), (30, 629463), (45, 419642), (90, 209821)]