17854850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2113}}^1$

素因数の和:2151

約数の個数: 36

約数和(自身を含む): 35978166

約数和(自身を除く): 18123316

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 2113, 4225, 4226, 8450, 10565, 21130, 27469, 52825, 54938, 105650, 137345, 274690, 357097, 686725, 714194, 1373450, 1785485, 3570970, 8927425, 17854850]

約数ペア:

[(1, 17854850), (2, 8927425), (5, 3570970), (10, 1785485), (13, 1373450), (25, 714194), (26, 686725), (50, 357097), (65, 274690), (130, 137345), (169, 105650), (325, 54938), (338, 52825), (650, 27469), (845, 21130), (1690, 10565), (2113, 8450), (4225, 4226)]