17281940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5113}}^1$

素因数の和:5148

約数の個数: 36

約数和(自身を含む): 39306204

約数和(自身を除く): 22024264

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5113, 10226, 20452, 25565, 51130, 66469, 102260, 132938, 265876, 332345, 664690, 864097, 1329380, 1728194, 3456388, 4320485, 8640970, 17281940]

約数ペア:

[(1, 17281940), (2, 8640970), (4, 4320485), (5, 3456388), (10, 1728194), (13, 1329380), (20, 864097), (26, 664690), (52, 332345), (65, 265876), (130, 132938), (169, 102260), (260, 66469), (338, 51130), (676, 25565), (845, 20452), (1690, 10226), (3380, 5113)]