1811860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 4084668

約数和(自身を除く): 2272808

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1460, 2482, 4964, 5329, 6205, 10658, 12410, 21316, 24820, 26645, 53290, 90593, 106580, 181186, 362372, 452965, 905930, 1811860]

約数ペア:

[(1, 1811860), (2, 905930), (4, 452965), (5, 362372), (10, 181186), (17, 106580), (20, 90593), (34, 53290), (68, 26645), (73, 24820), (85, 21316), (146, 12410), (170, 10658), (292, 6205), (340, 5329), (365, 4964), (730, 2482), (1241, 1460)]