18216550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3011}}^1$

素因数の和:3045

約数の個数: 36

約数和(自身を含む): 37255428

約数和(自身を除く): 19038878

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3011, 3025, 6022, 6050, 15055, 30110, 33121, 66242, 75275, 150550, 165605, 331210, 364331, 728662, 828025, 1656050, 1821655, 3643310, 9108275, 18216550]

約数ペア:

[(1, 18216550), (2, 9108275), (5, 3643310), (10, 1821655), (11, 1656050), (22, 828025), (25, 728662), (50, 364331), (55, 331210), (110, 165605), (121, 150550), (242, 75275), (275, 66242), (550, 33121), (605, 30110), (1210, 15055), (3011, 6050), (3025, 6022)]