18705390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5153}}^1$

素因数の和:5185

約数の個数: 48

約数和(自身を含む): 49354704

約数和(自身を除く): 30649314

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 5153, 10306, 15459, 25765, 30918, 51530, 56683, 77295, 113366, 154590, 170049, 283415, 340098, 566830, 623513, 850245, 1247026, 1700490, 1870539, 3117565, 3741078, 6235130, 9352695, 18705390]

約数ペア:

[(1, 18705390), (2, 9352695), (3, 6235130), (5, 3741078), (6, 3117565), (10, 1870539), (11, 1700490), (15, 1247026), (22, 850245), (30, 623513), (33, 566830), (55, 340098), (66, 283415), (110, 170049), (121, 154590), (165, 113366), (242, 77295), (330, 56683), (363, 51530), (605, 30918), (726, 25765), (1210, 15459), (1815, 10306), (3630, 5153)]