18963035

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 9486757

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 587, 923, 2485, 2935, 4109, 4615, 6461, 7631, 20545, 32305, 38155, 41677, 53417, 208385, 267085, 291739, 541801, 1458695, 2709005, 3792607, 18963035]

約数ペア:

[(1, 18963035), (5, 3792607), (7, 2709005), (13, 1458695), (35, 541801), (65, 291739), (71, 267085), (91, 208385), (355, 53417), (455, 41677), (497, 38155), (587, 32305), (923, 20545), (2485, 7631), (2935, 6461), (4109, 4615)]