19312748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3121}}^1$

素因数の和:3162

約数の個数: 48

約数和(自身を含む): 44057664

約数和(自身を除く): 24744916

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3121, 6188, 6242, 12484, 21847, 40573, 43694, 53057, 81146, 87388, 106114, 162292, 212228, 284011, 371399, 568022, 689741, 742798, 1136044, 1379482, 1485596, 2758964, 4828187, 9656374, 19312748]

約数ペア:

[(1, 19312748), (2, 9656374), (4, 4828187), (7, 2758964), (13, 1485596), (14, 1379482), (17, 1136044), (26, 742798), (28, 689741), (34, 568022), (52, 371399), (68, 284011), (91, 212228), (119, 162292), (182, 106114), (221, 87388), (238, 81146), (364, 53057), (442, 43694), (476, 40573), (884, 21847), (1547, 12484), (3094, 6242), (3121, 6188)]