18849400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 44416800

約数和(自身を除く): 25567400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1193, 1580, 1975, 2386, 3160, 3950, 4772, 5965, 7900, 9544, 11930, 15800, 23860, 29825, 47720, 59650, 94247, 119300, 188494, 238600, 376988, 471235, 753976, 942470, 1884940, 2356175, 3769880, 4712350, 9424700, 18849400]

約数ペア:

[(1, 18849400), (2, 9424700), (4, 4712350), (5, 3769880), (8, 2356175), (10, 1884940), (20, 942470), (25, 753976), (40, 471235), (50, 376988), (79, 238600), (100, 188494), (158, 119300), (200, 94247), (316, 59650), (395, 47720), (632, 29825), (790, 23860), (1193, 15800), (1580, 11930), (1975, 9544), (2386, 7900), (3160, 5965), (3950, 4772)]