18983222

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 24

約数和(自身を含む): 30233280

約数和(自身を除く): 11250058

約数列:

[1, 2, 31, 53, 62, 106, 109, 218, 1643, 2809, 3286, 3379, 5618, 5777, 6758, 11554, 87079, 174158, 179087, 306181, 358174, 612362, 9491611, 18983222]

約数ペア:

[(1, 18983222), (2, 9491611), (31, 612362), (53, 358174), (62, 306181), (106, 179087), (109, 174158), (218, 87079), (1643, 11554), (2809, 6758), (3286, 5777), (3379, 5618)]