18748744

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 24336056

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 67, 76, 133, 134, 152, 263, 266, 268, 469, 526, 532, 536, 938, 1052, 1064, 1273, 1841, 1876, 2104, 2546, 3682, 3752, 4997, 5092, 7364, 8911, 9994, 10184, 14728, 17621, 17822, 19988, 34979, 35242, 35644, 39976, 69958, 70484, 71288, 123347, 139916, 140968, 246694, 279832, 334799, 493388, 669598, 986776, 1339196, 2343593, 2678392, 4687186, 9374372, 18748744]

約数ペア:

[(1, 18748744), (2, 9374372), (4, 4687186), (7, 2678392), (8, 2343593), (14, 1339196), (19, 986776), (28, 669598), (38, 493388), (56, 334799), (67, 279832), (76, 246694), (133, 140968), (134, 139916), (152, 123347), (263, 71288), (266, 70484), (268, 69958), (469, 39976), (526, 35644), (532, 35242), (536, 34979), (938, 19988), (1052, 17822), (1064, 17621), (1273, 14728), (1841, 10184), (1876, 9994), (2104, 8911), (2546, 7364), (3682, 5092), (3752, 4997)]