19560225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 34283520

約数和(自身を除く): 14723295

約数列:

[1, 3, 5, 15, 25, 31, 47, 75, 93, 141, 155, 179, 235, 465, 537, 705, 775, 895, 1175, 1457, 2325, 2685, 3525, 4371, 4475, 5549, 7285, 8413, 13425, 16647, 21855, 25239, 27745, 36425, 42065, 83235, 109275, 126195, 138725, 210325, 260803, 416175, 630975, 782409, 1304015, 3912045, 6520075, 19560225]

約数ペア:

[(1, 19560225), (3, 6520075), (5, 3912045), (15, 1304015), (25, 782409), (31, 630975), (47, 416175), (75, 260803), (93, 210325), (141, 138725), (155, 126195), (179, 109275), (235, 83235), (465, 42065), (537, 36425), (705, 27745), (775, 25239), (895, 21855), (1175, 16647), (1457, 13425), (2325, 8413), (2685, 7285), (3525, 5549), (4371, 4475)]