19289648

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1097}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 43024032

約数和(自身を除く): 23734384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1097, 1099, 1256, 2194, 2198, 2512, 4388, 4396, 7679, 8776, 8792, 15358, 17552, 17584, 30716, 61432, 122864, 172229, 344458, 688916, 1205603, 1377832, 2411206, 2755664, 4822412, 9644824, 19289648]

約数ペア:

[(1, 19289648), (2, 9644824), (4, 4822412), (7, 2755664), (8, 2411206), (14, 1377832), (16, 1205603), (28, 688916), (56, 344458), (112, 172229), (157, 122864), (314, 61432), (628, 30716), (1097, 17584), (1099, 17552), (1256, 15358), (2194, 8792), (2198, 8776), (2512, 7679), (4388, 4396)]