17868370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 35509320

約数和(自身を除く): 17640950

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 109, 130, 169, 194, 218, 338, 485, 545, 845, 970, 1090, 1261, 1417, 1690, 2522, 2834, 6305, 7085, 10573, 12610, 14170, 16393, 18421, 21146, 32786, 36842, 52865, 81965, 92105, 105730, 137449, 163930, 184210, 274898, 687245, 1374490, 1786837, 3573674, 8934185, 17868370]

約数ペア:

[(1, 17868370), (2, 8934185), (5, 3573674), (10, 1786837), (13, 1374490), (26, 687245), (65, 274898), (97, 184210), (109, 163930), (130, 137449), (169, 105730), (194, 92105), (218, 81965), (338, 52865), (485, 36842), (545, 32786), (845, 21146), (970, 18421), (1090, 16393), (1261, 14170), (1417, 12610), (1690, 10573), (2522, 7085), (2834, 6305)]