19917736248

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{156971}}^1$

素因数の和:157308

約数の個数: 64

約数和(自身を含む): 52893285120

約数和(自身を除く): 32975548872

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 311, 408, 622, 933, 1244, 1866, 2488, 3732, 5287, 7464, 10574, 15861, 21148, 31722, 42296, 63444, 126888, 156971, 313942, 470913, 627884, 941826, 1255768, 1883652, 2668507, 3767304, 5337014, 8005521, 10674028, 16011042, 21348056, 32022084, 48817981, 64044168, 97635962, 146453943, 195271924, 292907886, 390543848, 585815772, 829905677, 1171631544, 1659811354, 2489717031, 3319622708, 4979434062, 6639245416, 9958868124, 19917736248]

約数ペア:

[(1, 19917736248), (2, 9958868124), (3, 6639245416), (4, 4979434062), (6, 3319622708), (8, 2489717031), (12, 1659811354), (17, 1171631544), (24, 829905677), (34, 585815772), (51, 390543848), (68, 292907886), (102, 195271924), (136, 146453943), (204, 97635962), (311, 64044168), (408, 48817981), (622, 32022084), (933, 21348056), (1244, 16011042), (1866, 10674028), (2488, 8005521), (3732, 5337014), (5287, 3767304), (7464, 2668507), (10574, 1883652), (15861, 1255768), (21148, 941826), (31722, 627884), (42296, 470913), (63444, 313942), (126888, 156971)]