19221831

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 28514304

約数和(自身を除く): 9292473

約数列:

[1, 3, 9, 67, 127, 201, 251, 381, 603, 753, 1143, 2259, 8509, 16817, 25527, 31877, 50451, 76581, 95631, 151353, 286893, 2135759, 6407277, 19221831]

約数ペア:

[(1, 19221831), (3, 6407277), (9, 2135759), (67, 286893), (127, 151353), (201, 95631), (251, 76581), (381, 50451), (603, 31877), (753, 25527), (1143, 16817), (2259, 8509)]