18566451

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 28173600

約数和(自身を除く): 9607149

約数列:

[1, 3, 9, 23, 69, 207, 257, 349, 771, 1047, 2313, 3141, 5911, 8027, 17733, 24081, 53199, 72243, 89693, 269079, 807237, 2062939, 6188817, 18566451]

約数ペア:

[(1, 18566451), (3, 6188817), (9, 2062939), (23, 807237), (69, 269079), (207, 89693), (257, 72243), (349, 53199), (771, 24081), (1047, 17733), (2313, 8027), (3141, 5911)]