19371920

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{523}}^1$

素因数の和:999

約数の個数: 40

約数和(自身を含む): 45223296

約数和(自身を除く): 25851376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 523, 926, 1046, 1852, 2092, 2315, 2615, 3704, 4184, 4630, 5230, 7408, 8368, 9260, 10460, 18520, 20920, 37040, 41840, 242149, 484298, 968596, 1210745, 1937192, 2421490, 3874384, 4842980, 9685960, 19371920]

約数ペア:

[(1, 19371920), (2, 9685960), (4, 4842980), (5, 3874384), (8, 2421490), (10, 1937192), (16, 1210745), (20, 968596), (40, 484298), (80, 242149), (463, 41840), (523, 37040), (926, 20920), (1046, 18520), (1852, 10460), (2092, 9260), (2315, 8368), (2615, 7408), (3704, 5230), (4184, 4630)]