19803670550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149971}}^1$

素因数の和:150141

約数の個数: 48

約数和(自身を含む): 39052708800

約数和(自身を除く): 19249038250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 139, 190, 278, 475, 695, 950, 1390, 2641, 3475, 5282, 6950, 13205, 26410, 66025, 132050, 149971, 299942, 749855, 1499710, 2849449, 3749275, 5698898, 7498550, 14247245, 20845969, 28494490, 41691938, 71236225, 104229845, 142472450, 208459690, 396073411, 521149225, 792146822, 1042298450, 1980367055, 3960734110, 9901835275, 19803670550]

約数ペア:

[(1, 19803670550), (2, 9901835275), (5, 3960734110), (10, 1980367055), (19, 1042298450), (25, 792146822), (38, 521149225), (50, 396073411), (95, 208459690), (139, 142472450), (190, 104229845), (278, 71236225), (475, 41691938), (695, 28494490), (950, 20845969), (1390, 14247245), (2641, 7498550), (3475, 5698898), (5282, 3749275), (6950, 2849449), (13205, 1499710), (26410, 749855), (66025, 299942), (132050, 149971)]