18128916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{38737}}^1$

素因数の和:38760

約数の個数: 36

約数和(自身を含む): 49352212

約数和(自身を除く): 31223296

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 38737, 77474, 116211, 154948, 232422, 348633, 464844, 503581, 697266, 1007162, 1394532, 1510743, 2014324, 3021486, 4532229, 6042972, 9064458, 18128916]

約数ペア:

[(1, 18128916), (2, 9064458), (3, 6042972), (4, 4532229), (6, 3021486), (9, 2014324), (12, 1510743), (13, 1394532), (18, 1007162), (26, 697266), (36, 503581), (39, 464844), (52, 348633), (78, 232422), (117, 154948), (156, 116211), (234, 77474), (468, 38737)]