19262440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1213}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 43485480

約数和(自身を除く): 24223040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1213, 1588, 1985, 2426, 3176, 3970, 4852, 6065, 7940, 9704, 12130, 15880, 24260, 48520, 481561, 963122, 1926244, 2407805, 3852488, 4815610, 9631220, 19262440]

約数ペア:

[(1, 19262440), (2, 9631220), (4, 4815610), (5, 3852488), (8, 2407805), (10, 1926244), (20, 963122), (40, 481561), (397, 48520), (794, 24260), (1213, 15880), (1588, 12130), (1985, 9704), (2426, 7940), (3176, 6065), (3970, 4852)]