19664280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54623}}^1$

素因数の和:54640

約数の個数: 48

約数和(自身を含む): 63910080

約数和(自身を除く): 44245800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54623, 109246, 163869, 218492, 273115, 327738, 436984, 491607, 546230, 655476, 819345, 983214, 1092460, 1310952, 1638690, 1966428, 2184920, 2458035, 3277380, 3932856, 4916070, 6554760, 9832140, 19664280]

約数ペア:

[(1, 19664280), (2, 9832140), (3, 6554760), (4, 4916070), (5, 3932856), (6, 3277380), (8, 2458035), (9, 2184920), (10, 1966428), (12, 1638690), (15, 1310952), (18, 1092460), (20, 983214), (24, 819345), (30, 655476), (36, 546230), (40, 491607), (45, 436984), (60, 327738), (72, 273115), (90, 218492), (120, 163869), (180, 109246), (360, 54623)]