18742755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 32790528

約数和(自身を除く): 14047773

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2371, 2635, 7113, 7905, 11855, 35565, 40307, 73501, 120921, 201535, 220503, 367505, 604605, 1102515, 1249517, 3748551, 6247585, 18742755]

約数ペア:

[(1, 18742755), (3, 6247585), (5, 3748551), (15, 1249517), (17, 1102515), (31, 604605), (51, 367505), (85, 220503), (93, 201535), (155, 120921), (255, 73501), (465, 40307), (527, 35565), (1581, 11855), (2371, 7905), (2635, 7113)]