18743690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 43027200

約数和(自身を除く): 24283510

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 829, 1190, 1330, 1615, 1658, 2261, 3230, 4145, 4522, 5803, 8290, 11305, 11606, 14093, 15751, 22610, 28186, 29015, 31502, 58030, 70465, 78755, 98651, 110257, 140930, 157510, 197302, 220514, 267767, 493255, 535534, 551285, 986510, 1102570, 1338835, 1874369, 2677670, 3748738, 9371845, 18743690]

約数ペア:

[(1, 18743690), (2, 9371845), (5, 3748738), (7, 2677670), (10, 1874369), (14, 1338835), (17, 1102570), (19, 986510), (34, 551285), (35, 535534), (38, 493255), (70, 267767), (85, 220514), (95, 197302), (119, 157510), (133, 140930), (170, 110257), (190, 98651), (238, 78755), (266, 70465), (323, 58030), (595, 31502), (646, 29015), (665, 28186), (829, 22610), (1190, 15751), (1330, 14093), (1615, 11606), (1658, 11305), (2261, 8290), (3230, 5803), (4145, 4522)]