19356820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{383}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 49158144

約数和(自身を除く): 29801324

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 383, 532, 665, 722, 766, 1330, 1444, 1532, 1805, 1915, 2527, 2660, 2681, 3610, 3830, 5054, 5362, 7220, 7277, 7660, 10108, 10724, 12635, 13405, 14554, 25270, 26810, 29108, 36385, 50540, 50939, 53620, 72770, 101878, 138263, 145540, 203756, 254695, 276526, 509390, 553052, 691315, 967841, 1018780, 1382630, 1935682, 2765260, 3871364, 4839205, 9678410, 19356820]

約数ペア:

[(1, 19356820), (2, 9678410), (4, 4839205), (5, 3871364), (7, 2765260), (10, 1935682), (14, 1382630), (19, 1018780), (20, 967841), (28, 691315), (35, 553052), (38, 509390), (70, 276526), (76, 254695), (95, 203756), (133, 145540), (140, 138263), (190, 101878), (266, 72770), (361, 53620), (380, 50939), (383, 50540), (532, 36385), (665, 29108), (722, 26810), (766, 25270), (1330, 14554), (1444, 13405), (1532, 12635), (1805, 10724), (1915, 10108), (2527, 7660), (2660, 7277), (2681, 7220), (3610, 5362), (3830, 5054)]