19285840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34439}}^1$

素因数の和:34459

約数の個数: 40

約数和(自身を含む): 51246720

約数和(自身を除く): 31960880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34439, 68878, 137756, 172195, 241073, 275512, 344390, 482146, 551024, 688780, 964292, 1205365, 1377560, 1928584, 2410730, 2755120, 3857168, 4821460, 9642920, 19285840]

約数ペア:

[(1, 19285840), (2, 9642920), (4, 4821460), (5, 3857168), (7, 2755120), (8, 2410730), (10, 1928584), (14, 1377560), (16, 1205365), (20, 964292), (28, 688780), (35, 551024), (40, 482146), (56, 344390), (70, 275512), (80, 241073), (112, 172195), (140, 137756), (280, 68878), (560, 34439)]