18884679

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10145721

約数列:

[1, 3, 11, 23, 33, 69, 139, 179, 253, 417, 537, 759, 1529, 1969, 3197, 4117, 4587, 5907, 9591, 12351, 24881, 35167, 45287, 74643, 105501, 135861, 273691, 572263, 821073, 1716789, 6294893, 18884679]

約数ペア:

[(1, 18884679), (3, 6294893), (11, 1716789), (23, 821073), (33, 572263), (69, 273691), (139, 135861), (179, 105501), (253, 74643), (417, 45287), (537, 35167), (759, 24881), (1529, 12351), (1969, 9591), (3197, 5907), (4117, 4587)]