2018193560

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{446503}}^1$

素因数の和:446627

約数の個数: 32

約数和(自身を含む): 4581131040

約数和(自身を除く): 2562937480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 446503, 893006, 1786012, 2232515, 3572024, 4465030, 8930060, 17860120, 50454839, 100909678, 201819356, 252274195, 403638712, 504548390, 1009096780, 2018193560]

約数ペア:

[(1, 2018193560), (2, 1009096780), (4, 504548390), (5, 403638712), (8, 252274195), (10, 201819356), (20, 100909678), (40, 50454839), (113, 17860120), (226, 8930060), (452, 4465030), (565, 3572024), (904, 2232515), (1130, 1786012), (2260, 893006), (4520, 446503)]