19116755

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 29626560

約数和(自身を除く): 10509805

約数列:

[1, 5, 7, 17, 19, 35, 85, 89, 95, 119, 133, 323, 361, 445, 595, 623, 665, 1513, 1615, 1691, 1805, 2261, 2527, 3115, 6137, 7565, 8455, 10591, 11305, 11837, 12635, 28747, 30685, 32129, 42959, 52955, 59185, 143735, 160645, 201229, 214795, 224903, 546193, 1006145, 1124515, 2730965, 3823351, 19116755]

約数ペア:

[(1, 19116755), (5, 3823351), (7, 2730965), (17, 1124515), (19, 1006145), (35, 546193), (85, 224903), (89, 214795), (95, 201229), (119, 160645), (133, 143735), (323, 59185), (361, 52955), (445, 42959), (595, 32129), (623, 30685), (665, 28747), (1513, 12635), (1615, 11837), (1691, 11305), (1805, 10591), (2261, 8455), (2527, 7565), (3115, 6137)]