17995890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2415

約数の個数: 64

約数和(自身を含む): 49185792

約数和(自身を除く): 31189902

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2371, 2530, 3795, 4742, 7113, 7590, 11855, 14226, 23710, 26081, 35565, 52162, 54533, 71130, 78243, 109066, 130405, 156486, 163599, 260810, 272665, 327198, 391215, 545330, 599863, 782430, 817995, 1199726, 1635990, 1799589, 2999315, 3599178, 5998630, 8997945, 17995890]

約数ペア:

[(1, 17995890), (2, 8997945), (3, 5998630), (5, 3599178), (6, 2999315), (10, 1799589), (11, 1635990), (15, 1199726), (22, 817995), (23, 782430), (30, 599863), (33, 545330), (46, 391215), (55, 327198), (66, 272665), (69, 260810), (110, 163599), (115, 156486), (138, 130405), (165, 109066), (230, 78243), (253, 71130), (330, 54533), (345, 52162), (506, 35565), (690, 26081), (759, 23710), (1265, 14226), (1518, 11855), (2371, 7590), (2530, 7113), (3795, 4742)]