18931198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 34282080

約数和(自身を除く): 15350882

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 1789, 3578, 5291, 10582, 19679, 23257, 39358, 46514, 66193, 132386, 255827, 511654, 728123, 860509, 1456246, 1721018, 9465599, 18931198]

約数ペア:

[(1, 18931198), (2, 9465599), (11, 1721018), (13, 1456246), (22, 860509), (26, 728123), (37, 511654), (74, 255827), (143, 132386), (286, 66193), (407, 46514), (481, 39358), (814, 23257), (962, 19679), (1789, 10582), (3578, 5291)]