19542080

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:543

約数の個数: 56

約数和(自身を含む): 46936152

約数和(自身を除く): 27394072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 353, 692, 706, 865, 1384, 1412, 1730, 1765, 2768, 2824, 3460, 3530, 5536, 5648, 6920, 7060, 11072, 11296, 13840, 14120, 22592, 27680, 28240, 55360, 56480, 61069, 112960, 122138, 244276, 305345, 488552, 610690, 977104, 1221380, 1954208, 2442760, 3908416, 4885520, 9771040, 19542080]

約数ペア:

[(1, 19542080), (2, 9771040), (4, 4885520), (5, 3908416), (8, 2442760), (10, 1954208), (16, 1221380), (20, 977104), (32, 610690), (40, 488552), (64, 305345), (80, 244276), (160, 122138), (173, 112960), (320, 61069), (346, 56480), (353, 55360), (692, 28240), (706, 27680), (865, 22592), (1384, 14120), (1412, 13840), (1730, 11296), (1765, 11072), (2768, 7060), (2824, 6920), (3460, 5648), (3530, 5536)]