18937290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21767}}^1$

素因数の和:21806

約数の個数: 32

約数和(自身を含む): 47018880

約数和(自身を除く): 28081590

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 21767, 43534, 65301, 108835, 130602, 217670, 326505, 631243, 653010, 1262486, 1893729, 3156215, 3787458, 6312430, 9468645, 18937290]

約数ペア:

[(1, 18937290), (2, 9468645), (3, 6312430), (5, 3787458), (6, 3156215), (10, 1893729), (15, 1262486), (29, 653010), (30, 631243), (58, 326505), (87, 217670), (145, 130602), (174, 108835), (290, 65301), (435, 43534), (870, 21767)]