19587689

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 24624000

約数和(自身を除く): 5036311

約数列:

[1, 11, 17, 19, 37, 149, 187, 209, 323, 407, 629, 703, 1639, 2533, 2831, 3553, 5513, 6919, 7733, 11951, 27863, 31141, 48127, 60643, 93721, 104747, 131461, 529397, 1030931, 1152217, 1780699, 19587689]

約数ペア:

[(1, 19587689), (11, 1780699), (17, 1152217), (19, 1030931), (37, 529397), (149, 131461), (187, 104747), (209, 93721), (323, 60643), (407, 48127), (629, 31141), (703, 27863), (1639, 11951), (2533, 7733), (2831, 6919), (3553, 5513)]