19688152

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{43}}^2$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 41570280

約数和(自身を除く): 21882128

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1331, 1849, 1892, 2662, 3698, 3784, 5203, 5324, 7396, 10406, 10648, 14792, 20339, 20812, 40678, 41624, 57233, 81356, 114466, 162712, 223729, 228932, 447458, 457864, 894916, 1789832, 2461019, 4922038, 9844076, 19688152]

約数ペア:

[(1, 19688152), (2, 9844076), (4, 4922038), (8, 2461019), (11, 1789832), (22, 894916), (43, 457864), (44, 447458), (86, 228932), (88, 223729), (121, 162712), (172, 114466), (242, 81356), (344, 57233), (473, 41624), (484, 40678), (946, 20812), (968, 20339), (1331, 14792), (1849, 10648), (1892, 10406), (2662, 7396), (3698, 5324), (3784, 5203)]