18270868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 40247424

約数和(自身を除く): 21976556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 137, 154, 274, 308, 433, 548, 866, 959, 1507, 1732, 1918, 3014, 3031, 3836, 4763, 6028, 6062, 9526, 10549, 12124, 19052, 21098, 33341, 42196, 59321, 66682, 118642, 133364, 237284, 415247, 652531, 830494, 1305062, 1660988, 2610124, 4567717, 9135434, 18270868]

約数ペア:

[(1, 18270868), (2, 9135434), (4, 4567717), (7, 2610124), (11, 1660988), (14, 1305062), (22, 830494), (28, 652531), (44, 415247), (77, 237284), (137, 133364), (154, 118642), (274, 66682), (308, 59321), (433, 42196), (548, 33341), (866, 21098), (959, 19052), (1507, 12124), (1732, 10549), (1918, 9526), (3014, 6062), (3031, 6028), (3836, 4763)]