19550448

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1142

約数の個数: 60

約数和(自身を含む): 55169088

約数和(自身を除く): 35618640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 991, 1096, 1233, 1644, 1982, 2192, 2466, 2973, 3288, 3964, 4932, 5946, 6576, 7928, 8919, 9864, 11892, 15856, 17838, 19728, 23784, 35676, 47568, 71352, 135767, 142704, 271534, 407301, 543068, 814602, 1086136, 1221903, 1629204, 2172272, 2443806, 3258408, 4887612, 6516816, 9775224, 19550448]

約数ペア:

[(1, 19550448), (2, 9775224), (3, 6516816), (4, 4887612), (6, 3258408), (8, 2443806), (9, 2172272), (12, 1629204), (16, 1221903), (18, 1086136), (24, 814602), (36, 543068), (48, 407301), (72, 271534), (137, 142704), (144, 135767), (274, 71352), (411, 47568), (548, 35676), (822, 23784), (991, 19728), (1096, 17838), (1233, 15856), (1644, 11892), (1982, 9864), (2192, 8919), (2466, 7928), (2973, 6576), (3288, 5946), (3964, 4932)]