19581990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{652733}}^1$

素因数の和:652743

約数の個数: 16

約数和(自身を含む): 46996848

約数和(自身を除く): 27414858

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 652733, 1305466, 1958199, 3263665, 3916398, 6527330, 9790995, 19581990]

約数ペア:

[(1, 19581990), (2, 9790995), (3, 6527330), (5, 3916398), (6, 3263665), (10, 1958199), (15, 1305466), (30, 652733)]