19610565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 36556800

約数和(自身を除く): 16946235

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 67, 79, 95, 195, 201, 237, 247, 285, 335, 395, 741, 871, 1005, 1027, 1185, 1235, 1273, 1501, 2613, 3081, 3705, 3819, 4355, 4503, 5135, 5293, 6365, 7505, 13065, 15405, 15879, 16549, 19095, 19513, 22515, 26465, 49647, 58539, 68809, 79395, 82745, 97565, 100567, 206427, 248235, 292695, 301701, 344045, 502835, 1032135, 1307371, 1508505, 3922113, 6536855, 19610565]

約数ペア:

[(1, 19610565), (3, 6536855), (5, 3922113), (13, 1508505), (15, 1307371), (19, 1032135), (39, 502835), (57, 344045), (65, 301701), (67, 292695), (79, 248235), (95, 206427), (195, 100567), (201, 97565), (237, 82745), (247, 79395), (285, 68809), (335, 58539), (395, 49647), (741, 26465), (871, 22515), (1005, 19513), (1027, 19095), (1185, 16549), (1235, 15879), (1273, 15405), (1501, 13065), (2613, 7505), (3081, 6365), (3705, 5293), (3819, 5135), (4355, 4503)]