18651388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35059}}^1$

素因数の和:35089

約数の個数: 24

約数和(自身を含む): 39267200

約数和(自身を除く): 20615812

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 35059, 70118, 140236, 245413, 490826, 666121, 981652, 1332242, 2664484, 4662847, 9325694, 18651388]

約数ペア:

[(1, 18651388), (2, 9325694), (4, 4662847), (7, 2664484), (14, 1332242), (19, 981652), (28, 666121), (38, 490826), (76, 245413), (133, 140236), (266, 70118), (532, 35059)]