19787014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 14505146

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 503, 1006, 1157, 1513, 2314, 3026, 6539, 8551, 13078, 17102, 19669, 39338, 44767, 89534, 111163, 222326, 581971, 761039, 1163942, 1522078, 9893507, 19787014]

約数ペア:

[(1, 19787014), (2, 9893507), (13, 1522078), (17, 1163942), (26, 761039), (34, 581971), (89, 222326), (178, 111163), (221, 89534), (442, 44767), (503, 39338), (1006, 19669), (1157, 17102), (1513, 13078), (2314, 8551), (3026, 6539)]