18737576

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 41615700

約数和(自身を除く): 22878124

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1489, 1573, 2978, 3146, 5956, 6292, 11912, 12584, 16379, 19357, 32758, 38714, 65516, 77428, 131032, 154856, 180169, 212927, 360338, 425854, 720676, 851708, 1441352, 1703416, 2342197, 4684394, 9368788, 18737576]

約数ペア:

[(1, 18737576), (2, 9368788), (4, 4684394), (8, 2342197), (11, 1703416), (13, 1441352), (22, 851708), (26, 720676), (44, 425854), (52, 360338), (88, 212927), (104, 180169), (121, 154856), (143, 131032), (242, 77428), (286, 65516), (484, 38714), (572, 32758), (968, 19357), (1144, 16379), (1489, 12584), (1573, 11912), (2978, 6292), (3146, 5956)]