18789020873

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1\times {\mathrm{2029}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 22660646400

約数和(自身を除く): 3871625527

約数列:

[1, 7, 23, 113, 161, 509, 791, 2029, 2599, 3563, 11707, 14203, 18193, 46667, 57517, 81949, 229277, 326669, 402619, 1032761, 1322891, 1604939, 5273371, 7229327, 9260237, 23753503, 36913597, 116701993, 166274521, 816913951, 2684145839, 18789020873]

約数ペア:

[(1, 18789020873), (7, 2684145839), (23, 816913951), (113, 166274521), (161, 116701993), (509, 36913597), (791, 23753503), (2029, 9260237), (2599, 7229327), (3563, 5273371), (11707, 1604939), (14203, 1322891), (18193, 1032761), (46667, 402619), (57517, 326669), (81949, 229277)]