18837550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 18660050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 158, 190, 251, 395, 475, 502, 790, 950, 1255, 1501, 1975, 2510, 3002, 3950, 4769, 6275, 7505, 9538, 12550, 15010, 19829, 23845, 37525, 39658, 47690, 75050, 99145, 119225, 198290, 238450, 376751, 495725, 753502, 991450, 1883755, 3767510, 9418775, 18837550]

約数ペア:

[(1, 18837550), (2, 9418775), (5, 3767510), (10, 1883755), (19, 991450), (25, 753502), (38, 495725), (50, 376751), (79, 238450), (95, 198290), (158, 119225), (190, 99145), (251, 75050), (395, 47690), (475, 39658), (502, 37525), (790, 23845), (950, 19829), (1255, 15010), (1501, 12550), (1975, 9538), (2510, 7505), (3002, 6275), (3950, 4769)]