19552725

素因数分解:

$3^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 36456000

約数和(自身を除く): 16903275

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 83, 135, 225, 249, 349, 415, 675, 747, 1047, 1245, 1745, 2075, 2241, 3141, 3735, 5235, 6225, 8725, 9423, 11205, 15705, 18675, 26175, 28967, 47115, 56025, 78525, 86901, 144835, 235575, 260703, 434505, 724175, 782109, 1303515, 2172525, 3910545, 6517575, 19552725]

約数ペア:

[(1, 19552725), (3, 6517575), (5, 3910545), (9, 2172525), (15, 1303515), (25, 782109), (27, 724175), (45, 434505), (75, 260703), (83, 235575), (135, 144835), (225, 86901), (249, 78525), (349, 56025), (415, 47115), (675, 28967), (747, 26175), (1047, 18675), (1245, 15705), (1745, 11205), (2075, 9423), (2241, 8725), (3141, 6225), (3735, 5235)]