19899774

素因数分解:

$2^1\times 3^2\times {\mathrm{379}}^1\times {\mathrm{2917}}^1$

素因数の和:3304

約数の個数: 24

約数和(自身を含む): 43244760

約数和(自身を除く): 23344986

約数列:

[1, 2, 3, 6, 9, 18, 379, 758, 1137, 2274, 2917, 3411, 5834, 6822, 8751, 17502, 26253, 52506, 1105543, 2211086, 3316629, 6633258, 9949887, 19899774]

約数ペア:

[(1, 19899774), (2, 9949887), (3, 6633258), (6, 3316629), (9, 2211086), (18, 1105543), (379, 52506), (758, 26253), (1137, 17502), (2274, 8751), (2917, 6822), (3411, 5834)]