19878368

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13217}}^1$

素因数の和:13274

約数の個数: 24

約数和(自身を含む): 39971232

約数和(自身を除く): 20092864

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13217, 26434, 52868, 105736, 211472, 422944, 621199, 1242398, 2484796, 4969592, 9939184, 19878368]

約数ペア:

[(1, 19878368), (2, 9939184), (4, 4969592), (8, 2484796), (16, 1242398), (32, 621199), (47, 422944), (94, 211472), (188, 105736), (376, 52868), (752, 26434), (1504, 13217)]