19982892

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 27917268

約数列:

[1, 2, 3, 4, 6, 12, 79, 107, 158, 197, 214, 237, 316, 321, 394, 428, 474, 591, 642, 788, 948, 1182, 1284, 2364, 8453, 15563, 16906, 21079, 25359, 31126, 33812, 42158, 46689, 50718, 62252, 63237, 84316, 93378, 101436, 126474, 186756, 252948, 1665241, 3330482, 4995723, 6660964, 9991446, 19982892]

約数ペア:

[(1, 19982892), (2, 9991446), (3, 6660964), (4, 4995723), (6, 3330482), (12, 1665241), (79, 252948), (107, 186756), (158, 126474), (197, 101436), (214, 93378), (237, 84316), (316, 63237), (321, 62252), (394, 50718), (428, 46689), (474, 42158), (591, 33812), (642, 31126), (788, 25359), (948, 21079), (1182, 16906), (1284, 15563), (2364, 8453)]