19133027780

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{490339}}^1$

素因数の和:492299

約数の個数: 24

約数和(自身を含む): 40200034560

約数和(自身を除く): 21067006780

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 7804, 9755, 19510, 39020, 490339, 980678, 1961356, 2451695, 4903390, 9806780, 956651389, 1913302778, 3826605556, 4783256945, 9566513890, 19133027780]

約数ペア:

[(1, 19133027780), (2, 9566513890), (4, 4783256945), (5, 3826605556), (10, 1913302778), (20, 956651389), (1951, 9806780), (3902, 4903390), (7804, 2451695), (9755, 1961356), (19510, 980678), (39020, 490339)]