1818676838408

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{20816281}}^1$

素因数の和:20816517

約数の個数: 32

約数和(自身を含む): 3482147652960

約数和(自身を除く): 1663470814552

約数列:

[1, 2, 4, 8, 67, 134, 163, 268, 326, 536, 652, 1304, 10921, 21842, 43684, 87368, 20816281, 41632562, 83265124, 166530248, 1394690827, 2789381654, 3393053803, 5578763308, 6786107606, 11157526616, 13572215212, 27144430424, 227334604801, 454669209602, 909338419204, 1818676838408]

約数ペア:

[(1, 1818676838408), (2, 909338419204), (4, 454669209602), (8, 227334604801), (67, 27144430424), (134, 13572215212), (163, 11157526616), (268, 6786107606), (326, 5578763308), (536, 3393053803), (652, 2789381654), (1304, 1394690827), (10921, 166530248), (21842, 83265124), (43684, 41632562), (87368, 20816281)]