18487317780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{942269}}^1$

素因数の和:942393

約数の個数: 72

約数和(自身を含む): 56592736200

約数和(自身を除く): 38105418420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620, 942269, 1884538, 2826807, 3769076, 4711345, 5653614, 8480421, 9422690, 11307228, 14134035, 16960842, 18845380, 28268070, 33921684, 42402105, 56536140, 84804210, 102707321, 169608420, 205414642, 308121963, 410829284, 513536605, 616243926, 924365889, 1027073210, 1232487852, 1540609815, 1848731778, 2054146420, 3081219630, 3697463556, 4621829445, 6162439260, 9243658890, 18487317780]

約数ペア:

[(1, 18487317780), (2, 9243658890), (3, 6162439260), (4, 4621829445), (5, 3697463556), (6, 3081219630), (9, 2054146420), (10, 1848731778), (12, 1540609815), (15, 1232487852), (18, 1027073210), (20, 924365889), (30, 616243926), (36, 513536605), (45, 410829284), (60, 308121963), (90, 205414642), (109, 169608420), (180, 102707321), (218, 84804210), (327, 56536140), (436, 42402105), (545, 33921684), (654, 28268070), (981, 18845380), (1090, 16960842), (1308, 14134035), (1635, 11307228), (1962, 9422690), (2180, 8480421), (3270, 5653614), (3924, 4711345), (4905, 3769076), (6540, 2826807), (9810, 1884538), (19620, 942269)]