18862610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 36756720

約数和(自身を除く): 17894110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 373, 389, 746, 778, 1865, 1945, 3730, 3890, 4849, 5057, 9698, 10114, 24245, 25285, 48490, 50570, 145097, 290194, 725485, 1450970, 1886261, 3772522, 9431305, 18862610]

約数ペア:

[(1, 18862610), (2, 9431305), (5, 3772522), (10, 1886261), (13, 1450970), (26, 725485), (65, 290194), (130, 145097), (373, 50570), (389, 48490), (746, 25285), (778, 24245), (1865, 10114), (1945, 9698), (3730, 5057), (3890, 4849)]