19946185840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35618189}}^1$

素因数の和:35618209

約数の個数: 40

約数和(自身を含む): 52999866720

約数和(自身を除く): 33053680880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35618189, 71236378, 142472756, 178090945, 249327323, 284945512, 356181890, 498654646, 569891024, 712363780, 997309292, 1246636615, 1424727560, 1994618584, 2493273230, 2849455120, 3989237168, 4986546460, 9973092920, 19946185840]

約数ペア:

[(1, 19946185840), (2, 9973092920), (4, 4986546460), (5, 3989237168), (7, 2849455120), (8, 2493273230), (10, 1994618584), (14, 1424727560), (16, 1246636615), (20, 997309292), (28, 712363780), (35, 569891024), (40, 498654646), (56, 356181890), (70, 284945512), (80, 249327323), (112, 178090945), (140, 142472756), (280, 71236378), (560, 35618189)]