13987990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 12865130

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 887, 1577, 1774, 3154, 4435, 7885, 8870, 15770, 16853, 33706, 73621, 84265, 147242, 168530, 368105, 736210, 1398799, 2797598, 6993995, 13987990]

約数ペア:

[(1, 13987990), (2, 6993995), (5, 2797598), (10, 1398799), (19, 736210), (38, 368105), (83, 168530), (95, 147242), (166, 84265), (190, 73621), (415, 33706), (830, 16853), (887, 15770), (1577, 8870), (1774, 7885), (3154, 4435)]