19722476

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 35574000

約数和(自身を除く): 15851524

約数列:

[1, 2, 4, 41, 82, 164, 241, 482, 499, 964, 998, 1996, 9881, 19762, 20459, 39524, 40918, 81836, 120259, 240518, 481036, 4930619, 9861238, 19722476]

約数ペア:

[(1, 19722476), (2, 9861238), (4, 4930619), (41, 481036), (82, 240518), (164, 120259), (241, 81836), (482, 40918), (499, 39524), (964, 20459), (998, 19762), (1996, 9881)]