18848804540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{203419}}^1$

素因数の和:203582

約数の個数: 48

約数和(自身を含む): 40906948320

約数和(自身を除く): 22058143780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 205, 226, 410, 452, 565, 820, 1130, 2260, 4633, 9266, 18532, 23165, 46330, 92660, 203419, 406838, 813676, 1017095, 2034190, 4068380, 8340179, 16680358, 22986347, 33360716, 41700895, 45972694, 83401790, 91945388, 114931735, 166803580, 229863470, 459726940, 942440227, 1884880454, 3769760908, 4712201135, 9424402270, 18848804540]

約数ペア:

[(1, 18848804540), (2, 9424402270), (4, 4712201135), (5, 3769760908), (10, 1884880454), (20, 942440227), (41, 459726940), (82, 229863470), (113, 166803580), (164, 114931735), (205, 91945388), (226, 83401790), (410, 45972694), (452, 41700895), (565, 33360716), (820, 22986347), (1130, 16680358), (2260, 8340179), (4633, 4068380), (9266, 2034190), (18532, 1017095), (23165, 813676), (46330, 406838), (92660, 203419)]