19503104

素因数分解:

$2^{11}\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 39803400

約数和(自身を除く): 20300296

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 107, 128, 178, 214, 256, 356, 428, 512, 712, 856, 1024, 1424, 1712, 2048, 2848, 3424, 5696, 6848, 9523, 11392, 13696, 19046, 22784, 27392, 38092, 45568, 54784, 76184, 91136, 109568, 152368, 182272, 219136, 304736, 609472, 1218944, 2437888, 4875776, 9751552, 19503104]

約数ペア:

[(1, 19503104), (2, 9751552), (4, 4875776), (8, 2437888), (16, 1218944), (32, 609472), (64, 304736), (89, 219136), (107, 182272), (128, 152368), (178, 109568), (214, 91136), (256, 76184), (356, 54784), (428, 45568), (512, 38092), (712, 27392), (856, 22784), (1024, 19046), (1424, 13696), (1712, 11392), (2048, 9523), (2848, 6848), (3424, 5696)]