19459305

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 37497600

約数和(自身を除く): 18038295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 61, 85, 135, 139, 153, 183, 255, 305, 417, 459, 549, 695, 765, 915, 1037, 1251, 1647, 2085, 2295, 2363, 2745, 3111, 3753, 5185, 6255, 7089, 8235, 8479, 9333, 11815, 15555, 18765, 21267, 25437, 27999, 35445, 42395, 46665, 63801, 76311, 106335, 127185, 139995, 144143, 228933, 319005, 381555, 432429, 720715, 1144665, 1297287, 2162145, 3891861, 6486435, 19459305]

約数ペア:

[(1, 19459305), (3, 6486435), (5, 3891861), (9, 2162145), (15, 1297287), (17, 1144665), (27, 720715), (45, 432429), (51, 381555), (61, 319005), (85, 228933), (135, 144143), (139, 139995), (153, 127185), (183, 106335), (255, 76311), (305, 63801), (417, 46665), (459, 42395), (549, 35445), (695, 27999), (765, 25437), (915, 21267), (1037, 18765), (1251, 15555), (1647, 11815), (2085, 9333), (2295, 8479), (2363, 8235), (2745, 7089), (3111, 6255), (3753, 5185)]