19520752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:593

約数の個数: 40

約数和(自身を含む): 40163600

約数和(自身を除く): 20642848

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 409, 628, 818, 1256, 1636, 2512, 2983, 3272, 5966, 6544, 7771, 11932, 15542, 23864, 31084, 47728, 62168, 64213, 124336, 128426, 256852, 513704, 1027408, 1220047, 2440094, 4880188, 9760376, 19520752]

約数ペア:

[(1, 19520752), (2, 9760376), (4, 4880188), (8, 2440094), (16, 1220047), (19, 1027408), (38, 513704), (76, 256852), (152, 128426), (157, 124336), (304, 64213), (314, 62168), (409, 47728), (628, 31084), (818, 23864), (1256, 15542), (1636, 11932), (2512, 7771), (2983, 6544), (3272, 5966)]