18220748

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7151}}^1$

素因数の和:7182

約数の個数: 36

約数和(自身を含む): 39951072

約数和(自身を除く): 21730324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7151, 14302, 28604, 50057, 92963, 100114, 185926, 200228, 350399, 371852, 650741, 700798, 1301482, 1401596, 2602964, 4555187, 9110374, 18220748]

約数ペア:

[(1, 18220748), (2, 9110374), (4, 4555187), (7, 2602964), (13, 1401596), (14, 1301482), (26, 700798), (28, 650741), (49, 371852), (52, 350399), (91, 200228), (98, 185926), (182, 100114), (196, 92963), (364, 50057), (637, 28604), (1274, 14302), (2548, 7151)]