19156965

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 13260315

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 937, 1363, 2811, 4089, 4685, 6815, 14055, 20445, 27173, 44039, 81519, 132117, 135865, 220195, 407595, 660585, 1277131, 3831393, 6385655, 19156965]

約数ペア:

[(1, 19156965), (3, 6385655), (5, 3831393), (15, 1277131), (29, 660585), (47, 407595), (87, 220195), (141, 135865), (145, 132117), (235, 81519), (435, 44039), (705, 27173), (937, 20445), (1363, 14055), (2811, 6815), (4089, 4685)]