19395537

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 30953472

約数和(自身を除く): 11557935

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 457, 903, 987, 1371, 2021, 3199, 6063, 9597, 14147, 19651, 21479, 42441, 58953, 64437, 137557, 150353, 412671, 451059, 923597, 2770791, 6465179, 19395537]

約数ペア:

[(1, 19395537), (3, 6465179), (7, 2770791), (21, 923597), (43, 451059), (47, 412671), (129, 150353), (141, 137557), (301, 64437), (329, 58953), (457, 42441), (903, 21479), (987, 19651), (1371, 14147), (2021, 9597), (3199, 6063)]