19510936

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 37638000

約数和(自身を除く): 18127064

約数列:

[1, 2, 4, 8, 67, 89, 134, 178, 268, 356, 409, 536, 712, 818, 1636, 3272, 5963, 11926, 23852, 27403, 36401, 47704, 54806, 72802, 109612, 145604, 219224, 291208, 2438867, 4877734, 9755468, 19510936]

約数ペア:

[(1, 19510936), (2, 9755468), (4, 4877734), (8, 2438867), (67, 291208), (89, 219224), (134, 145604), (178, 109612), (268, 72802), (356, 54806), (409, 47704), (536, 36401), (712, 27403), (818, 23852), (1636, 11926), (3272, 5963)]