18974494

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 37384704

約数和(自身を除く): 18410210

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 242, 253, 322, 487, 506, 847, 974, 1694, 1771, 2783, 3409, 3542, 5357, 5566, 6818, 10714, 11201, 19481, 22402, 37499, 38962, 58927, 74998, 78407, 117854, 123211, 156814, 246422, 412489, 824978, 862477, 1355321, 1724954, 2710642, 9487247, 18974494]

約数ペア:

[(1, 18974494), (2, 9487247), (7, 2710642), (11, 1724954), (14, 1355321), (22, 862477), (23, 824978), (46, 412489), (77, 246422), (121, 156814), (154, 123211), (161, 117854), (242, 78407), (253, 74998), (322, 58927), (487, 38962), (506, 37499), (847, 22402), (974, 19481), (1694, 11201), (1771, 10714), (2783, 6818), (3409, 5566), (3542, 5357)]