19672974

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 44341440

約数和(自身を除く): 24668466

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 109, 111, 218, 222, 271, 327, 333, 542, 654, 666, 813, 981, 1626, 1962, 2439, 4033, 4878, 8066, 10027, 12099, 20054, 24198, 29539, 30081, 36297, 59078, 60162, 72594, 88617, 90243, 177234, 180486, 265851, 531702, 1092943, 2185886, 3278829, 6557658, 9836487, 19672974]

約数ペア:

[(1, 19672974), (2, 9836487), (3, 6557658), (6, 3278829), (9, 2185886), (18, 1092943), (37, 531702), (74, 265851), (109, 180486), (111, 177234), (218, 90243), (222, 88617), (271, 72594), (327, 60162), (333, 59078), (542, 36297), (654, 30081), (666, 29539), (813, 24198), (981, 20054), (1626, 12099), (1962, 10027), (2439, 8066), (4033, 4878)]