18831780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9511}}^1$

素因数の和:9537

約数の個数: 72

約数和(自身を含む): 62322624

約数和(自身を除く): 43490844

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, 9511, 19022, 28533, 38044, 47555, 57066, 85599, 95110, 104621, 114132, 142665, 171198, 190220, 209242, 285330, 313863, 342396, 418484, 427995, 523105, 570660, 627726, 855990, 941589, 1046210, 1255452, 1569315, 1711980, 1883178, 2092420, 3138630, 3766356, 4707945, 6277260, 9415890, 18831780]

約数ペア:

[(1, 18831780), (2, 9415890), (3, 6277260), (4, 4707945), (5, 3766356), (6, 3138630), (9, 2092420), (10, 1883178), (11, 1711980), (12, 1569315), (15, 1255452), (18, 1046210), (20, 941589), (22, 855990), (30, 627726), (33, 570660), (36, 523105), (44, 427995), (45, 418484), (55, 342396), (60, 313863), (66, 285330), (90, 209242), (99, 190220), (110, 171198), (132, 142665), (165, 114132), (180, 104621), (198, 95110), (220, 85599), (330, 57066), (396, 47555), (495, 38044), (660, 28533), (990, 19022), (1980, 9511)]