19165400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1213}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 45160800

約数和(自身を除く): 25995400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1213, 1580, 1975, 2426, 3160, 3950, 4852, 6065, 7900, 9704, 12130, 15800, 24260, 30325, 48520, 60650, 95827, 121300, 191654, 242600, 383308, 479135, 766616, 958270, 1916540, 2395675, 3833080, 4791350, 9582700, 19165400]

約数ペア:

[(1, 19165400), (2, 9582700), (4, 4791350), (5, 3833080), (8, 2395675), (10, 1916540), (20, 958270), (25, 766616), (40, 479135), (50, 383308), (79, 242600), (100, 191654), (158, 121300), (200, 95827), (316, 60650), (395, 48520), (632, 30325), (790, 24260), (1213, 15800), (1580, 12130), (1975, 9704), (2426, 7900), (3160, 6065), (3950, 4852)]