19477640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5351}}^1$

素因数の和:5382

約数の個数: 64

約数和(自身を含む): 53948160

約数和(自身を除く): 34470520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5351, 10702, 21404, 26755, 37457, 42808, 53510, 69563, 74914, 107020, 139126, 149828, 187285, 214040, 278252, 299656, 347815, 374570, 486941, 556504, 695630, 749140, 973882, 1391260, 1498280, 1947764, 2434705, 2782520, 3895528, 4869410, 9738820, 19477640]

約数ペア:

[(1, 19477640), (2, 9738820), (4, 4869410), (5, 3895528), (7, 2782520), (8, 2434705), (10, 1947764), (13, 1498280), (14, 1391260), (20, 973882), (26, 749140), (28, 695630), (35, 556504), (40, 486941), (52, 374570), (56, 347815), (65, 299656), (70, 278252), (91, 214040), (104, 187285), (130, 149828), (140, 139126), (182, 107020), (260, 74914), (280, 69563), (364, 53510), (455, 42808), (520, 37457), (728, 26755), (910, 21404), (1820, 10702), (3640, 5351)]