18973922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 13871902

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 473, 647, 682, 946, 1294, 1333, 2666, 7117, 14234, 14663, 20057, 27821, 29326, 40114, 55642, 220627, 306031, 441254, 612062, 862451, 1724902, 9486961, 18973922]

約数ペア:

[(1, 18973922), (2, 9486961), (11, 1724902), (22, 862451), (31, 612062), (43, 441254), (62, 306031), (86, 220627), (341, 55642), (473, 40114), (647, 29326), (682, 27821), (946, 20057), (1294, 14663), (1333, 14234), (2666, 7117)]