197980479902

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{2515699}}^1$

素因数の和:2515848

約数の個数: 24

約数和(自身を含む): 316298961000

約数和(自身を除く): 118318481098

約数列:

[1, 2, 19, 38, 109, 218, 361, 722, 2071, 4142, 39349, 78698, 2515699, 5031398, 47798281, 95596562, 274211191, 548422382, 908167339, 1816334678, 5210012629, 10420025258, 98990239951, 197980479902]

約数ペア:

[(1, 197980479902), (2, 98990239951), (19, 10420025258), (38, 5210012629), (109, 1816334678), (218, 908167339), (361, 548422382), (722, 274211191), (2071, 95596562), (4142, 47798281), (39349, 5031398), (78698, 2515699)]