18836049

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8811951

約数列:

[1, 3, 19, 47, 57, 79, 89, 141, 237, 267, 893, 1501, 1691, 2679, 3713, 4183, 4503, 5073, 7031, 11139, 12549, 21093, 70547, 79477, 133589, 211641, 238431, 330457, 400767, 991371, 6278683, 18836049]

約数ペア:

[(1, 18836049), (3, 6278683), (19, 991371), (47, 400767), (57, 330457), (79, 238431), (89, 211641), (141, 133589), (237, 79477), (267, 70547), (893, 21093), (1501, 12549), (1691, 11139), (2679, 7031), (3713, 5073), (4183, 4503)]