18790696

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 37346400

約数和(自身を除く): 18555704

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 181, 362, 683, 724, 1366, 1448, 2732, 3439, 5464, 6878, 12977, 13756, 25954, 27512, 51908, 103816, 123623, 247246, 494492, 988984, 2348837, 4697674, 9395348, 18790696]

約数ペア:

[(1, 18790696), (2, 9395348), (4, 4697674), (8, 2348837), (19, 988984), (38, 494492), (76, 247246), (152, 123623), (181, 103816), (362, 51908), (683, 27512), (724, 25954), (1366, 13756), (1448, 12977), (2732, 6878), (3439, 5464)]