18801926824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{390211}}^1$

素因数の和:390553

約数の個数: 32

約数和(自身を含む): 37226224800

約数和(自身を除く): 18424297976

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 317, 634, 1268, 2536, 6023, 12046, 24092, 48184, 390211, 780422, 1560844, 3121688, 7414009, 14828018, 29656036, 59312072, 123696887, 247393774, 494787548, 989575096, 2350240853, 4700481706, 9400963412, 18801926824]

約数ペア:

[(1, 18801926824), (2, 9400963412), (4, 4700481706), (8, 2350240853), (19, 989575096), (38, 494787548), (76, 247393774), (152, 123696887), (317, 59312072), (634, 29656036), (1268, 14828018), (2536, 7414009), (6023, 3121688), (12046, 1560844), (24092, 780422), (48184, 390211)]