2019439880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{691589}}^1$

素因数の和:691673

約数の個数: 32

約数和(自身を含む): 4605989400

約数和(自身を除く): 2586549520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 691589, 1383178, 2766356, 3457945, 5532712, 6915890, 13831780, 27663560, 50485997, 100971994, 201943988, 252429985, 403887976, 504859970, 1009719940, 2019439880]

約数ペア:

[(1, 2019439880), (2, 1009719940), (4, 504859970), (5, 403887976), (8, 252429985), (10, 201943988), (20, 100971994), (40, 50485997), (73, 27663560), (146, 13831780), (292, 6915890), (365, 5532712), (584, 3457945), (730, 2766356), (1460, 1383178), (2920, 691589)]