19869448

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 38160000

約数和(自身を除く): 18290552

約数列:

[1, 2, 4, 8, 79, 149, 158, 211, 298, 316, 422, 596, 632, 844, 1192, 1688, 11771, 16669, 23542, 31439, 33338, 47084, 62878, 66676, 94168, 125756, 133352, 251512, 2483681, 4967362, 9934724, 19869448]

約数ペア:

[(1, 19869448), (2, 9934724), (4, 4967362), (8, 2483681), (79, 251512), (149, 133352), (158, 125756), (211, 94168), (298, 66676), (316, 62878), (422, 47084), (596, 33338), (632, 31439), (844, 23542), (1192, 16669), (1688, 11771)]