19421696

素因数分解:

$2^9\times 7^1\times {\mathrm{5419}}^1$

素因数の和:5444

約数の個数: 40

約数和(自身を含む): 44357280

約数和(自身を除く): 24935584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5419, 10838, 21676, 37933, 43352, 75866, 86704, 151732, 173408, 303464, 346816, 606928, 693632, 1213856, 1387264, 2427712, 2774528, 4855424, 9710848, 19421696]

約数ペア:

[(1, 19421696), (2, 9710848), (4, 4855424), (7, 2774528), (8, 2427712), (14, 1387264), (16, 1213856), (28, 693632), (32, 606928), (56, 346816), (64, 303464), (112, 173408), (128, 151732), (224, 86704), (256, 75866), (448, 43352), (512, 37933), (896, 21676), (1792, 10838), (3584, 5419)]