19490618

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1634

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 16451782

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1559, 1786, 3118, 6251, 10913, 12502, 21826, 29621, 59242, 73273, 146546, 207347, 414694, 512911, 1025822, 1392187, 2784374, 9745309, 19490618]

約数ペア:

[(1, 19490618), (2, 9745309), (7, 2784374), (14, 1392187), (19, 1025822), (38, 512911), (47, 414694), (94, 207347), (133, 146546), (266, 73273), (329, 59242), (658, 29621), (893, 21826), (1559, 12502), (1786, 10913), (3118, 6251)]