18159822

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 42408000

約数和(自身を除く): 24248178

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 61, 74, 111, 122, 149, 183, 222, 298, 333, 366, 447, 549, 666, 894, 999, 1098, 1341, 1647, 1998, 2257, 2682, 3294, 4023, 4514, 5513, 6771, 8046, 9089, 11026, 13542, 16539, 18178, 20313, 27267, 33078, 40626, 49617, 54534, 60939, 81801, 99234, 121878, 148851, 163602, 245403, 297702, 336293, 490806, 672586, 1008879, 2017758, 3026637, 6053274, 9079911, 18159822]

約数ペア:

[(1, 18159822), (2, 9079911), (3, 6053274), (6, 3026637), (9, 2017758), (18, 1008879), (27, 672586), (37, 490806), (54, 336293), (61, 297702), (74, 245403), (111, 163602), (122, 148851), (149, 121878), (183, 99234), (222, 81801), (298, 60939), (333, 54534), (366, 49617), (447, 40626), (549, 33078), (666, 27267), (894, 20313), (999, 18178), (1098, 16539), (1341, 13542), (1647, 11026), (1998, 9089), (2257, 8046), (2682, 6771), (3294, 5513), (4023, 4514)]