18123222

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 40028688

約数和(自身を除く): 21905466

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 169, 183, 293, 338, 366, 507, 586, 793, 879, 1014, 1586, 1758, 2379, 3809, 4758, 7618, 10309, 11427, 17873, 20618, 22854, 30927, 35746, 49517, 53619, 61854, 99034, 107238, 148551, 232349, 297102, 464698, 697047, 1394094, 3020537, 6041074, 9061611, 18123222]

約数ペア:

[(1, 18123222), (2, 9061611), (3, 6041074), (6, 3020537), (13, 1394094), (26, 697047), (39, 464698), (61, 297102), (78, 232349), (122, 148551), (169, 107238), (183, 99034), (293, 61854), (338, 53619), (366, 49517), (507, 35746), (586, 30927), (793, 22854), (879, 20618), (1014, 17873), (1586, 11427), (1758, 10309), (2379, 7618), (3809, 4758)]