18425844

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{11903}}^1$

素因数の和:11956

約数の個数: 36

約数和(自身を含む): 47663616

約数和(自身を除く): 29237772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 11903, 23806, 35709, 47612, 71418, 107127, 142836, 214254, 428508, 511829, 1023658, 1535487, 2047316, 3070974, 4606461, 6141948, 9212922, 18425844]

約数ペア:

[(1, 18425844), (2, 9212922), (3, 6141948), (4, 4606461), (6, 3070974), (9, 2047316), (12, 1535487), (18, 1023658), (36, 511829), (43, 428508), (86, 214254), (129, 142836), (172, 107127), (258, 71418), (387, 47612), (516, 35709), (774, 23806), (1548, 11903)]