18954362

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71257}}^1$

素因数の和:71285

約数の個数: 16

約数和(自身を含む): 34203840

約数和(自身を除く): 15249478

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 71257, 142514, 498799, 997598, 1353883, 2707766, 9477181, 18954362]

約数ペア:

[(1, 18954362), (2, 9477181), (7, 2707766), (14, 1353883), (19, 997598), (38, 498799), (133, 142514), (266, 71257)]