19793115

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 35953632

約数和(自身を除く): 16160517

約数列:

[1, 3, 5, 9, 15, 43, 45, 53, 129, 159, 193, 215, 265, 387, 477, 579, 645, 795, 965, 1737, 1935, 2279, 2385, 2895, 6837, 8299, 8685, 10229, 11395, 20511, 24897, 30687, 34185, 41495, 51145, 74691, 92061, 102555, 124485, 153435, 373455, 439847, 460305, 1319541, 2199235, 3958623, 6597705, 19793115]

約数ペア:

[(1, 19793115), (3, 6597705), (5, 3958623), (9, 2199235), (15, 1319541), (43, 460305), (45, 439847), (53, 373455), (129, 153435), (159, 124485), (193, 102555), (215, 92061), (265, 74691), (387, 51145), (477, 41495), (579, 34185), (645, 30687), (795, 24897), (965, 20511), (1737, 11395), (1935, 10229), (2279, 8685), (2385, 8299), (2895, 6837)]