18729123856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1361}}^1\times {\mathrm{50593}}^1$

素因数の和:51979

約数の個数: 40

約数和(自身を含む): 38451237624

約数和(自身を除く): 19722113768

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1361, 2722, 5444, 10888, 21776, 23137, 46274, 50593, 92548, 101186, 185096, 202372, 370192, 404744, 809488, 860081, 1720162, 3440324, 6880648, 13761296, 68857073, 137714146, 275428292, 550856584, 1101713168, 1170570241, 2341140482, 4682280964, 9364561928, 18729123856]

約数ペア:

[(1, 18729123856), (2, 9364561928), (4, 4682280964), (8, 2341140482), (16, 1170570241), (17, 1101713168), (34, 550856584), (68, 275428292), (136, 137714146), (272, 68857073), (1361, 13761296), (2722, 6880648), (5444, 3440324), (10888, 1720162), (21776, 860081), (23137, 809488), (46274, 404744), (50593, 370192), (92548, 202372), (101186, 185096)]