19340187

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 8860773

約数列:

[1, 3, 29, 31, 71, 87, 93, 101, 213, 303, 899, 2059, 2201, 2697, 2929, 3131, 6177, 6603, 7171, 8787, 9393, 21513, 63829, 90799, 191487, 207959, 222301, 272397, 623877, 666903, 6446729, 19340187]

約数ペア:

[(1, 19340187), (3, 6446729), (29, 666903), (31, 623877), (71, 272397), (87, 222301), (93, 207959), (101, 191487), (213, 90799), (303, 63829), (899, 21513), (2059, 9393), (2201, 8787), (2697, 7171), (2929, 6603), (3131, 6177)]