18242595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 37402560

約数和(自身を除く): 19159965

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 1997, 3045, 5991, 9135, 9985, 13979, 17973, 29955, 41937, 57913, 69895, 89865, 125811, 173739, 209685, 289565, 405391, 521217, 629055, 868695, 1216173, 2026955, 2606085, 3648519, 6080865, 18242595]

約数ペア:

[(1, 18242595), (3, 6080865), (5, 3648519), (7, 2606085), (9, 2026955), (15, 1216173), (21, 868695), (29, 629055), (35, 521217), (45, 405391), (63, 289565), (87, 209685), (105, 173739), (145, 125811), (203, 89865), (261, 69895), (315, 57913), (435, 41937), (609, 29955), (1015, 17973), (1305, 13979), (1827, 9985), (1997, 9135), (3045, 5991)]