2019926590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1889}}^1\times {\mathrm{9721}}^1$

素因数の和:11628

約数の個数: 32

約数和(自身を含む): 3968909280

約数和(自身を除く): 1948982690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1889, 3778, 9445, 9721, 18890, 19442, 20779, 41558, 48605, 97210, 103895, 106931, 207790, 213862, 534655, 1069310, 18362969, 36725938, 91814845, 183629690, 201992659, 403985318, 1009963295, 2019926590]

約数ペア:

[(1, 2019926590), (2, 1009963295), (5, 403985318), (10, 201992659), (11, 183629690), (22, 91814845), (55, 36725938), (110, 18362969), (1889, 1069310), (3778, 534655), (9445, 213862), (9721, 207790), (18890, 106931), (19442, 103895), (20779, 97210), (41558, 48605)]