18455289

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 8760711

約数列:

[1, 3, 19, 41, 53, 57, 123, 149, 159, 447, 779, 1007, 2173, 2337, 2831, 3021, 6109, 6519, 7897, 8493, 18327, 23691, 41287, 116071, 123861, 150043, 323777, 348213, 450129, 971331, 6151763, 18455289]

約数ペア:

[(1, 18455289), (3, 6151763), (19, 971331), (41, 450129), (53, 348213), (57, 323777), (123, 150043), (149, 123861), (159, 116071), (447, 41287), (779, 23691), (1007, 18327), (2173, 8493), (2337, 7897), (2831, 6519), (3021, 6109)]