19667816

素因数分解:

$2^3\times 7^2\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 43338240

約数和(自身を除く): 23670424

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 131, 196, 262, 383, 392, 524, 766, 917, 1048, 1532, 1834, 2681, 3064, 3668, 5362, 6419, 7336, 10724, 12838, 18767, 21448, 25676, 37534, 50173, 51352, 75068, 100346, 150136, 200692, 351211, 401384, 702422, 1404844, 2458477, 2809688, 4916954, 9833908, 19667816]

約数ペア:

[(1, 19667816), (2, 9833908), (4, 4916954), (7, 2809688), (8, 2458477), (14, 1404844), (28, 702422), (49, 401384), (56, 351211), (98, 200692), (131, 150136), (196, 100346), (262, 75068), (383, 51352), (392, 50173), (524, 37534), (766, 25676), (917, 21448), (1048, 18767), (1532, 12838), (1834, 10724), (2681, 7336), (3064, 6419), (3668, 5362)]