19285551

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3889}}^1$

素因数の和:3943

約数の個数: 24

約数和(自身を含む): 30342000

約数和(自身を除く): 11056449

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 3889, 4959, 11667, 35001, 73891, 112781, 221673, 338343, 665019, 1015029, 2142839, 6428517, 19285551]

約数ペア:

[(1, 19285551), (3, 6428517), (9, 2142839), (19, 1015029), (29, 665019), (57, 338343), (87, 221673), (171, 112781), (261, 73891), (551, 35001), (1653, 11667), (3889, 4959)]