19895986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29173}}^1$

素因数の和:29217

約数の個数: 16

約数和(自身を含む): 33608448

約数和(自身を除く): 13712462

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29173, 58346, 320903, 641806, 904363, 1808726, 9947993, 19895986]

約数ペア:

[(1, 19895986), (2, 9947993), (11, 1808726), (22, 904363), (31, 641806), (62, 320903), (341, 58346), (682, 29173)]