18623836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 42900480

約数和(自身を除く): 24276644

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 239, 242, 253, 308, 322, 478, 484, 506, 644, 847, 956, 1012, 1673, 1694, 1771, 2629, 2783, 3346, 3388, 3542, 5258, 5497, 5566, 6692, 7084, 10516, 10994, 11132, 18403, 19481, 21988, 28919, 36806, 38479, 38962, 57838, 60467, 73612, 76958, 77924, 115676, 120934, 153916, 202433, 241868, 404866, 423269, 665137, 809732, 846538, 1330274, 1693076, 2660548, 4655959, 9311918, 18623836]

約数ペア:

[(1, 18623836), (2, 9311918), (4, 4655959), (7, 2660548), (11, 1693076), (14, 1330274), (22, 846538), (23, 809732), (28, 665137), (44, 423269), (46, 404866), (77, 241868), (92, 202433), (121, 153916), (154, 120934), (161, 115676), (239, 77924), (242, 76958), (253, 73612), (308, 60467), (322, 57838), (478, 38962), (484, 38479), (506, 36806), (644, 28919), (847, 21988), (956, 19481), (1012, 18403), (1673, 11132), (1694, 10994), (1771, 10516), (2629, 7084), (2783, 6692), (3346, 5566), (3388, 5497), (3542, 5258)]