20190350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 40376880

約数和(自身を除く): 20186530

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 190, 265, 401, 475, 530, 802, 950, 1007, 1325, 2005, 2014, 2650, 4010, 5035, 7619, 10025, 10070, 15238, 20050, 21253, 25175, 38095, 42506, 50350, 76190, 106265, 190475, 212530, 380950, 403807, 531325, 807614, 1062650, 2019035, 4038070, 10095175, 20190350]

約数ペア:

[(1, 20190350), (2, 10095175), (5, 4038070), (10, 2019035), (19, 1062650), (25, 807614), (38, 531325), (50, 403807), (53, 380950), (95, 212530), (106, 190475), (190, 106265), (265, 76190), (401, 50350), (475, 42506), (530, 38095), (802, 25175), (950, 21253), (1007, 20050), (1325, 15238), (2005, 10070), (2014, 10025), (2650, 7619), (4010, 5035)]