19087760

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{601}}^1$

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 44564856

約数和(自身を除く): 25477096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 601, 794, 1202, 1588, 1985, 2404, 3005, 3176, 3970, 4808, 6010, 6352, 7940, 9616, 12020, 15880, 24040, 31760, 48080, 238597, 477194, 954388, 1192985, 1908776, 2385970, 3817552, 4771940, 9543880, 19087760]

約数ペア:

[(1, 19087760), (2, 9543880), (4, 4771940), (5, 3817552), (8, 2385970), (10, 1908776), (16, 1192985), (20, 954388), (40, 477194), (80, 238597), (397, 48080), (601, 31760), (794, 24040), (1202, 15880), (1588, 12020), (1985, 9616), (2404, 7940), (3005, 6352), (3176, 6010), (3970, 4808)]