19080327

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 11000697

約数列:

[1, 3, 7, 21, 67, 71, 191, 201, 213, 469, 497, 573, 1337, 1407, 1491, 4011, 4757, 12797, 13561, 14271, 33299, 38391, 40683, 89579, 94927, 99897, 268737, 284781, 908587, 2725761, 6360109, 19080327]

約数ペア:

[(1, 19080327), (3, 6360109), (7, 2725761), (21, 908587), (67, 284781), (71, 268737), (191, 99897), (201, 94927), (213, 89579), (469, 40683), (497, 38391), (573, 33299), (1337, 14271), (1407, 13561), (1491, 12797), (4011, 4757)]