19379240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 47044800

約数和(自身を除く): 27665560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 593, 760, 817, 860, 1186, 1634, 1720, 2372, 2965, 3268, 4085, 4744, 5930, 6536, 8170, 11267, 11860, 16340, 22534, 23720, 25499, 32680, 45068, 50998, 56335, 90136, 101996, 112670, 127495, 203992, 225340, 254990, 450680, 484481, 509980, 968962, 1019960, 1937924, 2422405, 3875848, 4844810, 9689620, 19379240]

約数ペア:

[(1, 19379240), (2, 9689620), (4, 4844810), (5, 3875848), (8, 2422405), (10, 1937924), (19, 1019960), (20, 968962), (38, 509980), (40, 484481), (43, 450680), (76, 254990), (86, 225340), (95, 203992), (152, 127495), (172, 112670), (190, 101996), (215, 90136), (344, 56335), (380, 50998), (430, 45068), (593, 32680), (760, 25499), (817, 23720), (860, 22534), (1186, 16340), (1634, 11860), (1720, 11267), (2372, 8170), (2965, 6536), (3268, 5930), (4085, 4744)]