19400955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4297}}^1$

素因数の和:4355

約数の個数: 32

約数和(自身を含む): 36309504

約数和(自身を除く): 16908549

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4297, 4515, 12891, 21485, 30079, 64455, 90237, 150395, 184771, 451185, 554313, 923855, 1293397, 2771565, 3880191, 6466985, 19400955]

約数ペア:

[(1, 19400955), (3, 6466985), (5, 3880191), (7, 2771565), (15, 1293397), (21, 923855), (35, 554313), (43, 451185), (105, 184771), (129, 150395), (215, 90237), (301, 64455), (645, 30079), (903, 21485), (1505, 12891), (4297, 4515)]