18860065

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8787935

約数列:

[1, 5, 7, 19, 35, 79, 95, 133, 359, 395, 553, 665, 1501, 1795, 2513, 2765, 6821, 7505, 10507, 12565, 28361, 34105, 47747, 52535, 141805, 198527, 238735, 538859, 992635, 2694295, 3772013, 18860065]

約数ペア:

[(1, 18860065), (5, 3772013), (7, 2694295), (19, 992635), (35, 538859), (79, 238735), (95, 198527), (133, 141805), (359, 52535), (395, 47747), (553, 34105), (665, 28361), (1501, 12565), (1795, 10507), (2513, 7505), (2765, 6821)]