18639296

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:589

約数の個数: 56

約数和(自身を含む): 40837104

約数和(自身を除く): 22197808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 521, 559, 688, 832, 1042, 1118, 1376, 2084, 2236, 2752, 4168, 4472, 6773, 8336, 8944, 13546, 16672, 17888, 22403, 27092, 33344, 35776, 44806, 54184, 89612, 108368, 179224, 216736, 291239, 358448, 433472, 582478, 716896, 1164956, 1433792, 2329912, 4659824, 9319648, 18639296]

約数ペア:

[(1, 18639296), (2, 9319648), (4, 4659824), (8, 2329912), (13, 1433792), (16, 1164956), (26, 716896), (32, 582478), (43, 433472), (52, 358448), (64, 291239), (86, 216736), (104, 179224), (172, 108368), (208, 89612), (344, 54184), (416, 44806), (521, 35776), (559, 33344), (688, 27092), (832, 22403), (1042, 17888), (1118, 16672), (1376, 13546), (2084, 8944), (2236, 8336), (2752, 6773), (4168, 4472)]