18257580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9221}}^1$

素因数の和:9247

約数の個数: 72

約数和(自身を含む): 60422544

約数和(自身を除く): 42164964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9221, 18442, 27663, 36884, 46105, 55326, 82989, 92210, 101431, 110652, 138315, 165978, 184420, 202862, 276630, 304293, 331956, 405724, 414945, 507155, 553260, 608586, 829890, 912879, 1014310, 1217172, 1521465, 1659780, 1825758, 2028620, 3042930, 3651516, 4564395, 6085860, 9128790, 18257580]

約数ペア:

[(1, 18257580), (2, 9128790), (3, 6085860), (4, 4564395), (5, 3651516), (6, 3042930), (9, 2028620), (10, 1825758), (11, 1659780), (12, 1521465), (15, 1217172), (18, 1014310), (20, 912879), (22, 829890), (30, 608586), (33, 553260), (36, 507155), (44, 414945), (45, 405724), (55, 331956), (60, 304293), (66, 276630), (90, 202862), (99, 184420), (110, 165978), (132, 138315), (165, 110652), (180, 101431), (198, 92210), (220, 82989), (330, 55326), (396, 46105), (495, 36884), (660, 27663), (990, 18442), (1980, 9221)]