19655776

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1867}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 45190656

約数和(自身を除く): 25534880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 224, 329, 376, 658, 752, 1316, 1504, 1867, 2632, 3734, 5264, 7468, 10528, 13069, 14936, 26138, 29872, 52276, 59744, 87749, 104552, 175498, 209104, 350996, 418208, 614243, 701992, 1228486, 1403984, 2456972, 2807968, 4913944, 9827888, 19655776]

約数ペア:

[(1, 19655776), (2, 9827888), (4, 4913944), (7, 2807968), (8, 2456972), (14, 1403984), (16, 1228486), (28, 701992), (32, 614243), (47, 418208), (56, 350996), (94, 209104), (112, 175498), (188, 104552), (224, 87749), (329, 59744), (376, 52276), (658, 29872), (752, 26138), (1316, 14936), (1504, 13069), (1867, 10528), (2632, 7468), (3734, 5264)]