19887390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 53812800

約数和(自身を除く): 33925410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1009, 1095, 1314, 1971, 2018, 2190, 3027, 3285, 3942, 5045, 6054, 6570, 9081, 9855, 10090, 15135, 18162, 19710, 27243, 30270, 45405, 54486, 73657, 90810, 136215, 147314, 220971, 272430, 368285, 441942, 662913, 736570, 1104855, 1325826, 1988739, 2209710, 3314565, 3977478, 6629130, 9943695, 19887390]

約数ペア:

[(1, 19887390), (2, 9943695), (3, 6629130), (5, 3977478), (6, 3314565), (9, 2209710), (10, 1988739), (15, 1325826), (18, 1104855), (27, 736570), (30, 662913), (45, 441942), (54, 368285), (73, 272430), (90, 220971), (135, 147314), (146, 136215), (219, 90810), (270, 73657), (365, 54486), (438, 45405), (657, 30270), (730, 27243), (1009, 19710), (1095, 18162), (1314, 15135), (1971, 10090), (2018, 9855), (2190, 9081), (3027, 6570), (3285, 6054), (3942, 5045)]