19650748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 39019680

約数和(自身を除く): 19368932

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 83, 116, 157, 166, 314, 332, 377, 628, 754, 1079, 1508, 2041, 2158, 2407, 4082, 4316, 4553, 4814, 8164, 9106, 9628, 13031, 18212, 26062, 31291, 52124, 59189, 62582, 118378, 125164, 169403, 236756, 338806, 377899, 677612, 755798, 1511596, 4912687, 9825374, 19650748]

約数ペア:

[(1, 19650748), (2, 9825374), (4, 4912687), (13, 1511596), (26, 755798), (29, 677612), (52, 377899), (58, 338806), (83, 236756), (116, 169403), (157, 125164), (166, 118378), (314, 62582), (332, 59189), (377, 52124), (628, 31291), (754, 26062), (1079, 18212), (1508, 13031), (2041, 9628), (2158, 9106), (2407, 8164), (4082, 4814), (4316, 4553)]