19221440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8581}}^1$

素因数の和:8605

約数の個数: 56

約数和(自身を含む): 52315872

約数和(自身を除く): 33094432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8581, 17162, 34324, 42905, 60067, 68648, 85810, 120134, 137296, 171620, 240268, 274592, 300335, 343240, 480536, 549184, 600670, 686480, 961072, 1201340, 1372960, 1922144, 2402680, 2745920, 3844288, 4805360, 9610720, 19221440]

約数ペア:

[(1, 19221440), (2, 9610720), (4, 4805360), (5, 3844288), (7, 2745920), (8, 2402680), (10, 1922144), (14, 1372960), (16, 1201340), (20, 961072), (28, 686480), (32, 600670), (35, 549184), (40, 480536), (56, 343240), (64, 300335), (70, 274592), (80, 240268), (112, 171620), (140, 137296), (160, 120134), (224, 85810), (280, 68648), (320, 60067), (448, 42905), (560, 34324), (1120, 17162), (2240, 8581)]