2018637520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1328051}}^1$

素因数の和:1328083

約数の個数: 40

約数和(自身を含む): 4940353440

約数和(自身を除く): 2921715920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1328051, 2656102, 5312204, 6640255, 10624408, 13280510, 21248816, 25232969, 26561020, 50465938, 53122040, 100931876, 106244080, 126164845, 201863752, 252329690, 403727504, 504659380, 1009318760, 2018637520]

約数ペア:

[(1, 2018637520), (2, 1009318760), (4, 504659380), (5, 403727504), (8, 252329690), (10, 201863752), (16, 126164845), (19, 106244080), (20, 100931876), (38, 53122040), (40, 50465938), (76, 26561020), (80, 25232969), (95, 21248816), (152, 13280510), (190, 10624408), (304, 6640255), (380, 5312204), (760, 2656102), (1520, 1328051)]