18808211344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{128993}}^1$

素因数の和:129715

約数の個数: 40

約数和(自身を含む): 39300343992

約数和(自身を除く): 20492132648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 701, 1402, 2804, 5608, 9113, 11216, 18226, 36452, 72904, 128993, 145808, 257986, 515972, 1031944, 1676909, 2063888, 3353818, 6707636, 13415272, 26830544, 90424093, 180848186, 361696372, 723392744, 1175513209, 1446785488, 2351026418, 4702052836, 9404105672, 18808211344]

約数ペア:

[(1, 18808211344), (2, 9404105672), (4, 4702052836), (8, 2351026418), (13, 1446785488), (16, 1175513209), (26, 723392744), (52, 361696372), (104, 180848186), (208, 90424093), (701, 26830544), (1402, 13415272), (2804, 6707636), (5608, 3353818), (9113, 2063888), (11216, 1676909), (18226, 1031944), (36452, 515972), (72904, 257986), (128993, 145808)]