18983926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 13755914

約数列:

[1, 2, 13, 19, 26, 38, 83, 166, 247, 463, 494, 926, 1079, 1577, 2158, 3154, 6019, 8797, 12038, 17594, 20501, 38429, 41002, 76858, 114361, 228722, 499577, 730151, 999154, 1460302, 9491963, 18983926]

約数ペア:

[(1, 18983926), (2, 9491963), (13, 1460302), (19, 999154), (26, 730151), (38, 499577), (83, 228722), (166, 114361), (247, 76858), (463, 41002), (494, 38429), (926, 20501), (1079, 17594), (1577, 12038), (2158, 8797), (3154, 6019)]