20189772970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1\times {\mathrm{1579}}^1$

素因数の和:2167

約数の個数: 64

約数和(自身を含む): 38598768000

約数和(自身を除く): 18408995030

約数列:

[1, 2, 5, 10, 19, 38, 95, 173, 190, 346, 389, 778, 865, 1579, 1730, 1945, 3158, 3287, 3890, 6574, 7391, 7895, 14782, 15790, 16435, 30001, 32870, 36955, 60002, 67297, 73910, 134594, 150005, 273167, 300010, 336485, 546334, 614231, 672970, 1228462, 1278643, 1365835, 2557286, 2731670, 3071155, 5190173, 6142310, 6393215, 10380346, 11670389, 12786430, 23340778, 25950865, 51901730, 58351945, 106261963, 116703890, 212523926, 531309815, 1062619630, 2018977297, 4037954594, 10094886485, 20189772970]

約数ペア:

[(1, 20189772970), (2, 10094886485), (5, 4037954594), (10, 2018977297), (19, 1062619630), (38, 531309815), (95, 212523926), (173, 116703890), (190, 106261963), (346, 58351945), (389, 51901730), (778, 25950865), (865, 23340778), (1579, 12786430), (1730, 11670389), (1945, 10380346), (3158, 6393215), (3287, 6142310), (3890, 5190173), (6574, 3071155), (7391, 2731670), (7895, 2557286), (14782, 1365835), (15790, 1278643), (16435, 1228462), (30001, 672970), (32870, 614231), (36955, 546334), (60002, 336485), (67297, 300010), (73910, 273167), (134594, 150005)]