18768295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 29514240

約数和(自身を除く): 10745945

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 167, 169, 247, 455, 665, 835, 845, 1169, 1183, 1235, 1729, 2171, 3173, 3211, 5845, 5915, 8645, 10855, 15197, 15865, 16055, 22211, 22477, 28223, 41249, 75985, 111055, 112385, 141115, 197561, 206245, 288743, 536237, 987805, 1443715, 2681185, 3753659, 18768295]

約数ペア:

[(1, 18768295), (5, 3753659), (7, 2681185), (13, 1443715), (19, 987805), (35, 536237), (65, 288743), (91, 206245), (95, 197561), (133, 141115), (167, 112385), (169, 111055), (247, 75985), (455, 41249), (665, 28223), (835, 22477), (845, 22211), (1169, 16055), (1183, 15865), (1235, 15197), (1729, 10855), (2171, 8645), (3173, 5915), (3211, 5845)]