19070884

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 20555612

約数列:

[1, 2, 4, 7, 14, 28, 53, 71, 106, 142, 181, 212, 284, 362, 371, 497, 724, 742, 994, 1267, 1484, 1988, 2534, 3763, 5068, 7526, 9593, 12851, 15052, 19186, 25702, 26341, 38372, 51404, 52682, 67151, 89957, 105364, 134302, 179914, 268604, 359828, 681103, 1362206, 2724412, 4767721, 9535442, 19070884]

約数ペア:

[(1, 19070884), (2, 9535442), (4, 4767721), (7, 2724412), (14, 1362206), (28, 681103), (53, 359828), (71, 268604), (106, 179914), (142, 134302), (181, 105364), (212, 89957), (284, 67151), (362, 52682), (371, 51404), (497, 38372), (724, 26341), (742, 25702), (994, 19186), (1267, 15052), (1484, 12851), (1988, 9593), (2534, 7526), (3763, 5068)]