19488840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23201}}^1$

素因数の和:23222

約数の個数: 64

約数和(自身を含む): 66821760

約数和(自身を除く): 47332920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23201, 46402, 69603, 92804, 116005, 139206, 162407, 185608, 232010, 278412, 324814, 348015, 464020, 487221, 556824, 649628, 696030, 812035, 928040, 974442, 1299256, 1392060, 1624070, 1948884, 2436105, 2784120, 3248140, 3897768, 4872210, 6496280, 9744420, 19488840]

約数ペア:

[(1, 19488840), (2, 9744420), (3, 6496280), (4, 4872210), (5, 3897768), (6, 3248140), (7, 2784120), (8, 2436105), (10, 1948884), (12, 1624070), (14, 1392060), (15, 1299256), (20, 974442), (21, 928040), (24, 812035), (28, 696030), (30, 649628), (35, 556824), (40, 487221), (42, 464020), (56, 348015), (60, 324814), (70, 278412), (84, 232010), (105, 185608), (120, 162407), (140, 139206), (168, 116005), (210, 92804), (280, 69603), (420, 46402), (840, 23201)]