18870894792

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2000731}}^1$

素因数の和:2000874

約数の個数: 48

約数和(自身を含む): 51498841680

約数和(自身を除く): 32627946888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 9432, 2000731, 4001462, 6002193, 8002924, 12004386, 16005848, 18006579, 24008772, 36013158, 48017544, 72026316, 144052632, 262095761, 524191522, 786287283, 1048383044, 1572574566, 2096766088, 2358861849, 3145149132, 4717723698, 6290298264, 9435447396, 18870894792]

約数ペア:

[(1, 18870894792), (2, 9435447396), (3, 6290298264), (4, 4717723698), (6, 3145149132), (8, 2358861849), (9, 2096766088), (12, 1572574566), (18, 1048383044), (24, 786287283), (36, 524191522), (72, 262095761), (131, 144052632), (262, 72026316), (393, 48017544), (524, 36013158), (786, 24008772), (1048, 18006579), (1179, 16005848), (1572, 12004386), (2358, 8002924), (3144, 6002193), (4716, 4001462), (9432, 2000731)]