19223155

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 28085760

約数和(自身を除く): 8862605

約数列:

[1, 5, 7, 19, 35, 95, 133, 137, 211, 665, 685, 959, 1055, 1477, 2603, 4009, 4795, 7385, 13015, 18221, 20045, 28063, 28907, 91105, 140315, 144535, 202349, 549233, 1011745, 2746165, 3844631, 19223155]

約数ペア:

[(1, 19223155), (5, 3844631), (7, 2746165), (19, 1011745), (35, 549233), (95, 202349), (133, 144535), (137, 140315), (211, 91105), (665, 28907), (685, 28063), (959, 20045), (1055, 18221), (1477, 13015), (2603, 7385), (4009, 4795)]