18917580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28663}}^1$

素因数の和:28686

約数の個数: 48

約数和(自身を含む): 57786624

約数和(自身を除く): 38869044

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28663, 57326, 85989, 114652, 143315, 171978, 286630, 315293, 343956, 429945, 573260, 630586, 859890, 945879, 1261172, 1576465, 1719780, 1891758, 3152930, 3783516, 4729395, 6305860, 9458790, 18917580]

約数ペア:

[(1, 18917580), (2, 9458790), (3, 6305860), (4, 4729395), (5, 3783516), (6, 3152930), (10, 1891758), (11, 1719780), (12, 1576465), (15, 1261172), (20, 945879), (22, 859890), (30, 630586), (33, 573260), (44, 429945), (55, 343956), (60, 315293), (66, 286630), (110, 171978), (132, 143315), (165, 114652), (220, 85989), (330, 57326), (660, 28663)]