19263454

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 15814946

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 521, 973, 1042, 1946, 2641, 3647, 5282, 7294, 9899, 18487, 19798, 36974, 69293, 72419, 138586, 144838, 506933, 1013866, 1375961, 2751922, 9631727, 19263454]

約数ペア:

[(1, 19263454), (2, 9631727), (7, 2751922), (14, 1375961), (19, 1013866), (38, 506933), (133, 144838), (139, 138586), (266, 72419), (278, 69293), (521, 36974), (973, 19798), (1042, 18487), (1946, 9899), (2641, 7294), (3647, 5282)]