19614855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 36747648

約数和(自身を除く): 17132793

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 61, 65, 85, 97, 183, 195, 221, 255, 291, 305, 485, 663, 793, 915, 1037, 1105, 1261, 1455, 1649, 2379, 3111, 3315, 3783, 3965, 4947, 5185, 5917, 6305, 8245, 11895, 13481, 15555, 17751, 18915, 21437, 24735, 29585, 40443, 64311, 67405, 76921, 88755, 100589, 107185, 202215, 230763, 301767, 321555, 384605, 502945, 1153815, 1307657, 1508835, 3922971, 6538285, 19614855]

約数ペア:

[(1, 19614855), (3, 6538285), (5, 3922971), (13, 1508835), (15, 1307657), (17, 1153815), (39, 502945), (51, 384605), (61, 321555), (65, 301767), (85, 230763), (97, 202215), (183, 107185), (195, 100589), (221, 88755), (255, 76921), (291, 67405), (305, 64311), (485, 40443), (663, 29585), (793, 24735), (915, 21437), (1037, 18915), (1105, 17751), (1261, 15555), (1455, 13481), (1649, 11895), (2379, 8245), (3111, 6305), (3315, 5917), (3783, 5185), (3965, 4947)]