19927516

素因数分解:

$2^2\times 7^2\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:658

約数の個数: 36

約数和(自身を含む): 40822488

約数和(自身を除く): 20894972

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 293, 347, 586, 694, 1172, 1388, 2051, 2429, 4102, 4858, 8204, 9716, 14357, 17003, 28714, 34006, 57428, 68012, 101671, 203342, 406684, 711697, 1423394, 2846788, 4981879, 9963758, 19927516]

約数ペア:

[(1, 19927516), (2, 9963758), (4, 4981879), (7, 2846788), (14, 1423394), (28, 711697), (49, 406684), (98, 203342), (196, 101671), (293, 68012), (347, 57428), (586, 34006), (694, 28714), (1172, 17003), (1388, 14357), (2051, 9716), (2429, 8204), (4102, 4858)]