18093700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 42184800

約数和(自身を除く): 24091100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 107, 178, 190, 214, 356, 380, 428, 445, 475, 535, 890, 950, 1070, 1691, 1780, 1900, 2033, 2140, 2225, 2675, 3382, 4066, 4450, 5350, 6764, 8132, 8455, 8900, 9523, 10165, 10700, 16910, 19046, 20330, 33820, 38092, 40660, 42275, 47615, 50825, 84550, 95230, 101650, 169100, 180937, 190460, 203300, 238075, 361874, 476150, 723748, 904685, 952300, 1809370, 3618740, 4523425, 9046850, 18093700]

約数ペア:

[(1, 18093700), (2, 9046850), (4, 4523425), (5, 3618740), (10, 1809370), (19, 952300), (20, 904685), (25, 723748), (38, 476150), (50, 361874), (76, 238075), (89, 203300), (95, 190460), (100, 180937), (107, 169100), (178, 101650), (190, 95230), (214, 84550), (356, 50825), (380, 47615), (428, 42275), (445, 40660), (475, 38092), (535, 33820), (890, 20330), (950, 19046), (1070, 16910), (1691, 10700), (1780, 10165), (1900, 9523), (2033, 8900), (2140, 8455), (2225, 8132), (2675, 6764), (3382, 5350), (4066, 4450)]