19929798

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2593}}^1$

素因数の和:2669

約数の個数: 48

約数和(自身を含む): 50178336

約数和(自身を除く): 30248538

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2593, 3843, 5186, 7686, 7779, 15558, 18151, 23337, 36302, 46674, 54453, 108906, 158173, 163359, 316346, 326718, 474519, 949038, 1107211, 1423557, 2214422, 2847114, 3321633, 6643266, 9964899, 19929798]

約数ペア:

[(1, 19929798), (2, 9964899), (3, 6643266), (6, 3321633), (7, 2847114), (9, 2214422), (14, 1423557), (18, 1107211), (21, 949038), (42, 474519), (61, 326718), (63, 316346), (122, 163359), (126, 158173), (183, 108906), (366, 54453), (427, 46674), (549, 36302), (854, 23337), (1098, 18151), (1281, 15558), (2562, 7779), (2593, 7686), (3843, 5186)]