18931316

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{557}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 34450920

約数和(自身を除く): 15519604

約数列:

[1, 2, 4, 29, 58, 116, 293, 557, 586, 1114, 1172, 2228, 8497, 16153, 16994, 32306, 33988, 64612, 163201, 326402, 652804, 4732829, 9465658, 18931316]

約数ペア:

[(1, 18931316), (2, 9465658), (4, 4732829), (29, 652804), (58, 326402), (116, 163201), (293, 64612), (557, 33988), (586, 32306), (1114, 16994), (1172, 16153), (2228, 8497)]