19802549

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 22289904

約数和(自身を除く): 2487355

約数列:

[1, 13, 41, 53, 533, 689, 701, 2173, 9113, 28249, 28741, 37153, 373633, 482989, 1523273, 19802549]

約数ペア:

[(1, 19802549), (13, 1523273), (41, 482989), (53, 373633), (533, 37153), (689, 28741), (701, 28249), (2173, 9113)]