19860892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 35809200

約数和(自身を除く): 15948308

約数列:

[1, 2, 4, 41, 82, 164, 347, 349, 694, 698, 1388, 1396, 14227, 14309, 28454, 28618, 56908, 57236, 121103, 242206, 484412, 4965223, 9930446, 19860892]

約数ペア:

[(1, 19860892), (2, 9930446), (4, 4965223), (41, 484412), (82, 242206), (164, 121103), (347, 57236), (349, 56908), (694, 28618), (698, 28454), (1388, 14309), (1396, 14227)]