2019013520

素因数分解:

$2^4\times 5^1\times {\mathrm{2593}}^1\times {\mathrm{9733}}^1$

素因数の和:12339

約数の個数: 40

約数和(自身を含む): 4696499256

約数和(自身を除く): 2677485736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2593, 5186, 9733, 10372, 12965, 19466, 20744, 25930, 38932, 41488, 48665, 51860, 77864, 97330, 103720, 155728, 194660, 207440, 389320, 778640, 25237669, 50475338, 100950676, 126188345, 201901352, 252376690, 403802704, 504753380, 1009506760, 2019013520]

約数ペア:

[(1, 2019013520), (2, 1009506760), (4, 504753380), (5, 403802704), (8, 252376690), (10, 201901352), (16, 126188345), (20, 100950676), (40, 50475338), (80, 25237669), (2593, 778640), (5186, 389320), (9733, 207440), (10372, 194660), (12965, 155728), (19466, 103720), (20744, 97330), (25930, 77864), (38932, 51860), (41488, 48665)]