19928378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12791}}^1$

素因数の和:12853

約数の個数: 16

約数和(自身を含む): 32235840

約数和(自身を除く): 12307462

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 12791, 25582, 243029, 486058, 524431, 1048862, 9964189, 19928378]

約数ペア:

[(1, 19928378), (2, 9964189), (19, 1048862), (38, 524431), (41, 486058), (82, 243029), (779, 25582), (1558, 12791)]