19986394

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{677}}^1$

素因数の和:1217

約数の個数: 16

約数和(自身を含む): 31120200

約数和(自身を除く): 11133806

約数列:

[1, 2, 29, 58, 509, 677, 1018, 1354, 14761, 19633, 29522, 39266, 344593, 689186, 9993197, 19986394]

約数ペア:

[(1, 19986394), (2, 9993197), (29, 689186), (58, 344593), (509, 39266), (677, 29522), (1018, 19633), (1354, 14761)]