16620136

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 35575200

約数和(自身を除く): 18955064

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 647, 676, 988, 1294, 1352, 1976, 2588, 3211, 5176, 6422, 8411, 12293, 12844, 16822, 24586, 25688, 33644, 49172, 67288, 98344, 109343, 159809, 218686, 319618, 437372, 639236, 874744, 1278472, 2077517, 4155034, 8310068, 16620136]

約数ペア:

[(1, 16620136), (2, 8310068), (4, 4155034), (8, 2077517), (13, 1278472), (19, 874744), (26, 639236), (38, 437372), (52, 319618), (76, 218686), (104, 159809), (152, 109343), (169, 98344), (247, 67288), (338, 49172), (494, 33644), (647, 25688), (676, 24586), (988, 16822), (1294, 12844), (1352, 12293), (1976, 8411), (2588, 6422), (3211, 5176)]