19294405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 27820800

約数和(自身を除く): 8526395

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 919, 1105, 1235, 1615, 4199, 4595, 11947, 15623, 17461, 20995, 59735, 78115, 87305, 203099, 226993, 296837, 1015495, 1134965, 1484185, 3858881, 19294405]

約数ペア:

[(1, 19294405), (5, 3858881), (13, 1484185), (17, 1134965), (19, 1015495), (65, 296837), (85, 226993), (95, 203099), (221, 87305), (247, 78115), (323, 59735), (919, 20995), (1105, 17461), (1235, 15623), (1615, 11947), (4199, 4595)]