19729996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2029}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 42971040

約数和(自身を除く): 23241044

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2029, 2431, 4058, 4862, 8116, 9724, 22319, 26377, 34493, 44638, 52754, 68986, 89276, 105508, 137972, 290147, 379423, 448409, 580294, 758846, 896818, 1160588, 1517692, 1793636, 4932499, 9864998, 19729996]

約数ペア:

[(1, 19729996), (2, 9864998), (4, 4932499), (11, 1793636), (13, 1517692), (17, 1160588), (22, 896818), (26, 758846), (34, 580294), (44, 448409), (52, 379423), (68, 290147), (143, 137972), (187, 105508), (221, 89276), (286, 68986), (374, 52754), (442, 44638), (572, 34493), (748, 26377), (884, 22319), (2029, 9724), (2431, 8116), (4058, 4862)]