18744550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 38448432

約数和(自身を除く): 19703882

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 173, 197, 275, 346, 394, 550, 865, 985, 1730, 1903, 1970, 2167, 3806, 4325, 4334, 4925, 8650, 9515, 9850, 10835, 19030, 21670, 34081, 47575, 54175, 68162, 95150, 108350, 170405, 340810, 374891, 749782, 852025, 1704050, 1874455, 3748910, 9372275, 18744550]

約数ペア:

[(1, 18744550), (2, 9372275), (5, 3748910), (10, 1874455), (11, 1704050), (22, 852025), (25, 749782), (50, 374891), (55, 340810), (110, 170405), (173, 108350), (197, 95150), (275, 68162), (346, 54175), (394, 47575), (550, 34081), (865, 21670), (985, 19030), (1730, 10835), (1903, 9850), (1970, 9515), (2167, 8650), (3806, 4925), (4325, 4334)]