19719198

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 44444400

約数和(自身を除く): 24725202

約数列:

[1, 2, 3, 6, 9, 18, 43, 73, 86, 129, 146, 219, 258, 349, 387, 438, 657, 698, 774, 1047, 1314, 2094, 3139, 3141, 6278, 6282, 9417, 15007, 18834, 25477, 28251, 30014, 45021, 50954, 56502, 76431, 90042, 135063, 152862, 229293, 270126, 458586, 1095511, 2191022, 3286533, 6573066, 9859599, 19719198]

約数ペア:

[(1, 19719198), (2, 9859599), (3, 6573066), (6, 3286533), (9, 2191022), (18, 1095511), (43, 458586), (73, 270126), (86, 229293), (129, 152862), (146, 135063), (219, 90042), (258, 76431), (349, 56502), (387, 50954), (438, 45021), (657, 30014), (698, 28251), (774, 25477), (1047, 18834), (1314, 15007), (2094, 9417), (3139, 6282), (3141, 6278)]