18842056520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{37657}}^1$

素因数の和:39462

約数の個数: 64

約数和(自身を含む): 48479402880

約数和(自身を除く): 29637346360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1787, 3574, 7148, 8935, 12509, 14296, 17870, 25018, 35740, 37657, 50036, 62545, 71480, 75314, 100072, 125090, 150628, 188285, 250180, 263599, 301256, 376570, 500360, 527198, 753140, 1054396, 1317995, 1506280, 2108792, 2635990, 5271980, 10543960, 67293059, 134586118, 269172236, 336465295, 471051413, 538344472, 672930590, 942102826, 1345861180, 1884205652, 2355257065, 2691722360, 3768411304, 4710514130, 9421028260, 18842056520]

約数ペア:

[(1, 18842056520), (2, 9421028260), (4, 4710514130), (5, 3768411304), (7, 2691722360), (8, 2355257065), (10, 1884205652), (14, 1345861180), (20, 942102826), (28, 672930590), (35, 538344472), (40, 471051413), (56, 336465295), (70, 269172236), (140, 134586118), (280, 67293059), (1787, 10543960), (3574, 5271980), (7148, 2635990), (8935, 2108792), (12509, 1506280), (14296, 1317995), (17870, 1054396), (25018, 753140), (35740, 527198), (37657, 500360), (50036, 376570), (62545, 301256), (71480, 263599), (75314, 250180), (100072, 188285), (125090, 150628)]