19057240

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1373}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 43033680

約数和(自身を除く): 23976440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1373, 1388, 1735, 2746, 2776, 3470, 5492, 6865, 6940, 10984, 13730, 13880, 27460, 54920, 476431, 952862, 1905724, 2382155, 3811448, 4764310, 9528620, 19057240]

約数ペア:

[(1, 19057240), (2, 9528620), (4, 4764310), (5, 3811448), (8, 2382155), (10, 1905724), (20, 952862), (40, 476431), (347, 54920), (694, 27460), (1373, 13880), (1388, 13730), (1735, 10984), (2746, 6940), (2776, 6865), (3470, 5492)]