18545556

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 44785664

約数和(自身を除く): 26240108

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 127, 129, 172, 254, 258, 283, 381, 508, 516, 566, 762, 849, 1132, 1524, 1698, 3396, 5461, 10922, 12169, 16383, 21844, 24338, 32766, 35941, 36507, 48676, 65532, 71882, 73014, 107823, 143764, 146028, 215646, 431292, 1545463, 3090926, 4636389, 6181852, 9272778, 18545556]

約数ペア:

[(1, 18545556), (2, 9272778), (3, 6181852), (4, 4636389), (6, 3090926), (12, 1545463), (43, 431292), (86, 215646), (127, 146028), (129, 143764), (172, 107823), (254, 73014), (258, 71882), (283, 65532), (381, 48676), (508, 36507), (516, 35941), (566, 32766), (762, 24338), (849, 21844), (1132, 16383), (1524, 12169), (1698, 10922), (3396, 5461)]