18201231393

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181123}}^1$

素因数の和:181229

約数の個数: 32

約数和(自身を含む): 26777372160

約数和(自身を除く): 8576140767

約数列:

[1, 3, 19, 41, 43, 57, 123, 129, 779, 817, 1763, 2337, 2451, 5289, 33497, 100491, 181123, 543369, 3441337, 7426043, 7788289, 10324011, 22278129, 23364867, 141094817, 147977491, 319319849, 423284451, 443932473, 957959547, 6067077131, 18201231393]

約数ペア:

[(1, 18201231393), (3, 6067077131), (19, 957959547), (41, 443932473), (43, 423284451), (57, 319319849), (123, 147977491), (129, 141094817), (779, 23364867), (817, 22278129), (1763, 10324011), (2337, 7788289), (2451, 7426043), (5289, 3441337), (33497, 543369), (100491, 181123)]