9919216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:581

約数の個数: 40

約数和(自身を含む): 20574080

約数和(自身を除く): 10654864

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 487, 536, 974, 1072, 1273, 1948, 2546, 3896, 5092, 7792, 9253, 10184, 18506, 20368, 32629, 37012, 65258, 74024, 130516, 148048, 261032, 522064, 619951, 1239902, 2479804, 4959608, 9919216]

約数ペア:

[(1, 9919216), (2, 4959608), (4, 2479804), (8, 1239902), (16, 619951), (19, 522064), (38, 261032), (67, 148048), (76, 130516), (134, 74024), (152, 65258), (268, 37012), (304, 32629), (487, 20368), (536, 18506), (974, 10184), (1072, 9253), (1273, 7792), (1948, 5092), (2546, 3896)]