19838950

素因数分解:

$2^1\times 5^2\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1272

約数の個数: 24

約数和(自身を含む): 37017720

約数和(自身を除く): 17178770

約数列:

[1, 2, 5, 10, 25, 50, 619, 641, 1238, 1282, 3095, 3205, 6190, 6410, 15475, 16025, 30950, 32050, 396779, 793558, 1983895, 3967790, 9919475, 19838950]

約数ペア:

[(1, 19838950), (2, 9919475), (5, 3967790), (10, 1983895), (25, 793558), (50, 396779), (619, 32050), (641, 30950), (1238, 16025), (1282, 15475), (3095, 6410), (3205, 6190)]