18219500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2803}}^1$

素因数の和:2835

約数の個数: 48

約数和(自身を含む): 42867552

約数和(自身を除く): 24648052

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2803, 3250, 5606, 6500, 11212, 14015, 28030, 36439, 56060, 70075, 72878, 140150, 145756, 182195, 280300, 350375, 364390, 700750, 728780, 910975, 1401500, 1821950, 3643900, 4554875, 9109750, 18219500]

約数ペア:

[(1, 18219500), (2, 9109750), (4, 4554875), (5, 3643900), (10, 1821950), (13, 1401500), (20, 910975), (25, 728780), (26, 700750), (50, 364390), (52, 350375), (65, 280300), (100, 182195), (125, 145756), (130, 140150), (250, 72878), (260, 70075), (325, 56060), (500, 36439), (650, 28030), (1300, 14015), (1625, 11212), (2803, 6500), (3250, 5606)]