19225544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{461}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 39002040

約数和(自身を除く): 19776496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 461, 802, 922, 1604, 1844, 3208, 3688, 5213, 5993, 10426, 11986, 20852, 23972, 41704, 47944, 184861, 369722, 739444, 1478888, 2403193, 4806386, 9612772, 19225544]

約数ペア:

[(1, 19225544), (2, 9612772), (4, 4806386), (8, 2403193), (13, 1478888), (26, 739444), (52, 369722), (104, 184861), (401, 47944), (461, 41704), (802, 23972), (922, 20852), (1604, 11986), (1844, 10426), (3208, 5993), (3688, 5213)]