18960540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1259}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 34382820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1259, 1506, 2510, 2518, 3012, 3765, 3777, 5020, 5036, 6295, 7530, 7554, 12590, 15060, 15108, 18885, 25180, 37770, 75540, 316009, 632018, 948027, 1264036, 1580045, 1896054, 3160090, 3792108, 4740135, 6320180, 9480270, 18960540]

約数ペア:

[(1, 18960540), (2, 9480270), (3, 6320180), (4, 4740135), (5, 3792108), (6, 3160090), (10, 1896054), (12, 1580045), (15, 1264036), (20, 948027), (30, 632018), (60, 316009), (251, 75540), (502, 37770), (753, 25180), (1004, 18885), (1255, 15108), (1259, 15060), (1506, 12590), (2510, 7554), (2518, 7530), (3012, 6295), (3765, 5036), (3777, 5020)]