18896236989

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{139}}^1\times {\mathrm{3851}}^1$

素因数の和:4082

約数の個数: 48

約数和(自身を含む): 29733742080

約数和(自身を除く): 10837505091

約数列:

[1, 3, 7, 21, 41, 123, 139, 287, 417, 861, 973, 1681, 2919, 3851, 5043, 5699, 11553, 11767, 17097, 26957, 35301, 39893, 80871, 119679, 157891, 233659, 473673, 535289, 700977, 1105237, 1605867, 1635613, 3315711, 3747023, 4906839, 6473531, 11241069, 19420593, 21946849, 45314717, 65840547, 135944151, 153627943, 460883829, 899820809, 2699462427, 6298745663, 18896236989]

約数ペア:

[(1, 18896236989), (3, 6298745663), (7, 2699462427), (21, 899820809), (41, 460883829), (123, 153627943), (139, 135944151), (287, 65840547), (417, 45314717), (861, 21946849), (973, 19420593), (1681, 11241069), (2919, 6473531), (3851, 4906839), (5043, 3747023), (5699, 3315711), (11553, 1635613), (11767, 1605867), (17097, 1105237), (26957, 700977), (35301, 535289), (39893, 473673), (80871, 233659), (119679, 157891)]