18998388

素因数分解:

$2^2\times 3^4\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:514

約数の個数: 60

約数和(自身を含む): 50088192

約数和(自身を除く): 31089804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 191, 307, 324, 382, 573, 614, 764, 921, 1146, 1228, 1719, 1842, 2292, 2763, 3438, 3684, 5157, 5526, 6876, 8289, 10314, 11052, 15471, 16578, 20628, 24867, 30942, 33156, 49734, 58637, 61884, 99468, 117274, 175911, 234548, 351822, 527733, 703644, 1055466, 1583199, 2110932, 3166398, 4749597, 6332796, 9499194, 18998388]

約数ペア:

[(1, 18998388), (2, 9499194), (3, 6332796), (4, 4749597), (6, 3166398), (9, 2110932), (12, 1583199), (18, 1055466), (27, 703644), (36, 527733), (54, 351822), (81, 234548), (108, 175911), (162, 117274), (191, 99468), (307, 61884), (324, 58637), (382, 49734), (573, 33156), (614, 30942), (764, 24867), (921, 20628), (1146, 16578), (1228, 15471), (1719, 11052), (1842, 10314), (2292, 8289), (2763, 6876), (3438, 5526), (3684, 5157)]