18542979

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7547}}^1$

素因数の和:7576

約数の個数: 32

約数和(自身を含む): 33815040

約数和(自身を除く): 15272061

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7547, 22641, 52829, 67923, 98111, 158487, 203769, 294333, 475461, 686777, 882999, 1426383, 2060331, 2648997, 6180993, 18542979]

約数ペア:

[(1, 18542979), (3, 6180993), (7, 2648997), (9, 2060331), (13, 1426383), (21, 882999), (27, 686777), (39, 475461), (63, 294333), (91, 203769), (117, 158487), (189, 98111), (273, 67923), (351, 52829), (819, 22641), (2457, 7547)]