18750095

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:97

約数の個数: 48

約数和(自身を含む): 29265600

約数和(自身を除く): 10515505

約数列:

[1, 5, 7, 13, 29, 35, 49, 65, 91, 145, 203, 245, 343, 377, 455, 637, 841, 1015, 1421, 1715, 1885, 2639, 3185, 4205, 4459, 5887, 7105, 9947, 10933, 13195, 18473, 22295, 29435, 41209, 49735, 54665, 76531, 92365, 129311, 206045, 288463, 382655, 535717, 646555, 1442315, 2678585, 3750019, 18750095]

約数ペア:

[(1, 18750095), (5, 3750019), (7, 2678585), (13, 1442315), (29, 646555), (35, 535717), (49, 382655), (65, 288463), (91, 206045), (145, 129311), (203, 92365), (245, 76531), (343, 54665), (377, 49735), (455, 41209), (637, 29435), (841, 22295), (1015, 18473), (1421, 13195), (1715, 10933), (1885, 9947), (2639, 7105), (3185, 5887), (4205, 4459)]