19189818

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{7561}}^1$

素因数の和:7619

約数の個数: 32

約数和(自身を含む): 43557120

約数和(自身を除く): 24367302

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 7561, 15122, 22683, 45366, 68049, 136098, 204147, 355367, 408294, 710734, 1066101, 2132202, 3198303, 6396606, 9594909, 19189818]

約数ペア:

[(1, 19189818), (2, 9594909), (3, 6396606), (6, 3198303), (9, 2132202), (18, 1066101), (27, 710734), (47, 408294), (54, 355367), (94, 204147), (141, 136098), (282, 68049), (423, 45366), (846, 22683), (1269, 15122), (2538, 7561)]