19663740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3767}}^1$

素因数の和:3811

約数の個数: 72

約数和(自身を含む): 61719840

約数和(自身を除く): 42056100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3767, 5220, 7534, 11301, 15068, 18835, 22602, 33903, 37670, 45204, 56505, 67806, 75340, 109243, 113010, 135612, 169515, 218486, 226020, 327729, 339030, 436972, 546215, 655458, 678060, 983187, 1092430, 1310916, 1638645, 1966374, 2184860, 3277290, 3932748, 4915935, 6554580, 9831870, 19663740]

約数ペア:

[(1, 19663740), (2, 9831870), (3, 6554580), (4, 4915935), (5, 3932748), (6, 3277290), (9, 2184860), (10, 1966374), (12, 1638645), (15, 1310916), (18, 1092430), (20, 983187), (29, 678060), (30, 655458), (36, 546215), (45, 436972), (58, 339030), (60, 327729), (87, 226020), (90, 218486), (116, 169515), (145, 135612), (174, 113010), (180, 109243), (261, 75340), (290, 67806), (348, 56505), (435, 45204), (522, 37670), (580, 33903), (870, 22602), (1044, 18835), (1305, 15068), (1740, 11301), (2610, 7534), (3767, 5220)]