18586941

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 26339040

約数和(自身を除く): 7752099

約数列:

[1, 3, 29, 53, 87, 139, 159, 417, 841, 1537, 2523, 4031, 4611, 7367, 12093, 22101, 44573, 116899, 133719, 213643, 350697, 640929, 6195647, 18586941]

約数ペア:

[(1, 18586941), (3, 6195647), (29, 640929), (53, 350697), (87, 213643), (139, 133719), (159, 116899), (417, 44573), (841, 22101), (1537, 12093), (2523, 7367), (4031, 4611)]