18840716

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 33777744

約数和(自身を除く): 14937028

約数列:

[1, 2, 4, 73, 113, 146, 226, 292, 452, 571, 1142, 2284, 8249, 16498, 32996, 41683, 64523, 83366, 129046, 166732, 258092, 4710179, 9420358, 18840716]

約数ペア:

[(1, 18840716), (2, 9420358), (4, 4710179), (73, 258092), (113, 166732), (146, 129046), (226, 83366), (292, 64523), (452, 41683), (571, 32996), (1142, 16498), (2284, 8249)]