18260690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{739}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 37722240

約数和(自身を除く): 19461550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 353, 706, 739, 1478, 1765, 2471, 3530, 3695, 4942, 5173, 7390, 10346, 12355, 24710, 25865, 51730, 260867, 521734, 1304335, 1826069, 2608670, 3652138, 9130345, 18260690]

約数ペア:

[(1, 18260690), (2, 9130345), (5, 3652138), (7, 2608670), (10, 1826069), (14, 1304335), (35, 521734), (70, 260867), (353, 51730), (706, 25865), (739, 24710), (1478, 12355), (1765, 10346), (2471, 7390), (3530, 5173), (3695, 4942)]