19703386175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{24019}}^1$

素因数の和:24216

約数の個数: 48

約数和(自身を含む): 28235990400

約数和(自身を除く): 8532604225

約数列:

[1, 5, 11, 19, 25, 55, 95, 157, 209, 275, 475, 785, 1045, 1727, 2983, 3925, 5225, 8635, 14915, 24019, 32813, 43175, 74575, 120095, 164065, 264209, 456361, 600475, 820325, 1321045, 2281805, 3770983, 5019971, 6605225, 11409025, 18854915, 25099855, 41480813, 71648677, 94274575, 125499275, 207404065, 358243385, 788135447, 1037020325, 1791216925, 3940677235, 19703386175]

約数ペア:

[(1, 19703386175), (5, 3940677235), (11, 1791216925), (19, 1037020325), (25, 788135447), (55, 358243385), (95, 207404065), (157, 125499275), (209, 94274575), (275, 71648677), (475, 41480813), (785, 25099855), (1045, 18854915), (1727, 11409025), (2983, 6605225), (3925, 5019971), (5225, 3770983), (8635, 2281805), (14915, 1321045), (24019, 820325), (32813, 600475), (43175, 456361), (74575, 264209), (120095, 164065)]