18669666

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 39499200

約数和(自身を除く): 20829534

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 389, 421, 778, 842, 1167, 1263, 2334, 2526, 7391, 7999, 14782, 15998, 22173, 23997, 44346, 47994, 163769, 327538, 491307, 982614, 3111611, 6223222, 9334833, 18669666]

約数ペア:

[(1, 18669666), (2, 9334833), (3, 6223222), (6, 3111611), (19, 982614), (38, 491307), (57, 327538), (114, 163769), (389, 47994), (421, 44346), (778, 23997), (842, 22173), (1167, 15998), (1263, 14782), (2334, 7999), (2526, 7391)]